Furstenfeld v. Pepin ( 2015 )


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    Decisions of the Nebraska Court of A ppeals
    23 Nebraska A ppellate R eports
    FURSTENFELD v. PEPIN
    Cite as 
    23 Neb. Ct. App. 155
    Justin S. Furstenfeld, appellant, v.
    Lisa B. Pepin, appellee.
    ___ N.W.2d ___
    Filed August 18, 2015.   No. A-14-814.
    1.	 Records: Appeal and Error. A party’s brief may not expand the record.
    2.	 Appeal and Error. The purpose of an appellant’s reply brief is to
    respond to the arguments the appellee has advanced against the errors
    assigned in the appellant’s initial brief.
    3.	 Waiver: Appeal and Error. Errors not assigned in an appellant’s initial
    brief are thus waived and may not be asserted for the first time in a
    reply brief.
    4.	 Modification of Decree: Appeal and Error. Modification of a dis-
    solution decree is a matter entrusted to the discretion of the trial court,
    whose order is reviewed de novo on the record, and which will be
    affirmed absent an abuse of discretion.
    5.	 Contracts. The construction of a contract is a matter of law, in connec-
    tion with which an appellate court has an obligation to reach an indepen-
    dent, correct conclusion irrespective of the determinations made by the
    court below.
    6.	 Rules of Evidence. In proceedings where the Nebraska Evidence Rules
    apply, the admissibility of evidence is controlled by the Nebraska
    Evidence Rules; judicial discretion is involved only when the rules make
    discretion a factor in determining admissibility.
    7.	 Rules of Evidence: Appeal and Error. Where the Nebraska Evidence
    Rules commit the evidentiary question at issue to the discretion of the
    trial court, an appellate court reviews the admissibility of evidence for
    an abuse of discretion.
    8.	 Judgments: Words and Phrases. An abuse of discretion occurs when a
    trial court’s decision is based upon reasons that are untenable or unrea-
    sonable or if its action is clearly against justice or conscience, reason,
    and evidence.
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    9.	 Appeal and Error. For an appellate court to consider an alleged error, a
    party must specifically assign and argue it.
    10.	 ____. Appellate courts do not generally consider arguments and theories
    raised for the first time on appeal.
    11.	 Rules of Evidence. Under Neb. Evid. R. 402, Neb. Rev. Stat. § 27-402
    (Reissue 2008), all relevant evidence is admissible unless there is some
    specific constitutional or statutory reason to exclude such evidence.
    12.	 Trial: Evidence. Evidence which is not relevant is not admissible.
    13.	 Evidence: Words and Phrases. Relevant evidence means evidence
    having any tendency to make the existence of any fact that is of conse-
    quence to the determination of the action more probable or less probable
    than it would be without the evidence.
    14.	 Trial: Evidence: Appeal and Error. A trial court has the discretion to
    determine the relevancy and admissibility of evidence, and such deter-
    minations will not be disturbed on appeal unless they constitute an abuse
    of that discretion.
    15.	 Evidence: Proof. For evidence to be relevant, all that must be estab-
    lished is a rational, probative connection, however slight, between the
    offered evidence and a fact of consequence.
    16.	 Attorney and Client: Presumptions: Proof. On the issue of an attor-
    ney’s authority to make statements on behalf of a client, there is a pre-
    sumption that the attorney has authority and that presumption continues
    until the want of such authority is established. The burden of proof of
    such want of authority is upon the party asserting the same.
    17.	 Trial: Evidence: Appeal and Error. To constitute reversible error in a
    civil case, the admission or exclusion of evidence must unfairly preju-
    dice a substantial right of a litigant complaining about evidence admitted
    or excluded.
    18.	 Attorneys at Law: Witnesses. When a party seeks to disqualify an
    opposing attorney by calling that attorney as a witness, the court must
    strike a balance between the potential for abuse and those instances
    where the attorney’s testimony may be truly necessary to the opposing
    party’s case.
    19.	 Attorneys at Law: Testimony: Proof. The party moving to disqualify
    an opposing attorney bears the burden of establishing that the attorney’s
    testimony will be necessary.
    20.	 Trial: Attorneys at Law: Witnesses: Evidence. A party seeking to
    call opposing counsel can prove that counsel is a necessary witness by
    showing that (1) the proposed testimony is material and relevant to the
    determination of the issues being litigated and (2) the evidence is unob-
    tainable elsewhere.
    21.	 Contracts. A settlement agreement is subject to the general principles of
    contract law.
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    22.	 Contracts: Compromise and Settlement. To have a settlement agree-
    ment, there must be a definite offer and an unconditional acceptance.
    23.	 Attorney and Client: Compromise and Settlement. The decision to
    settle a lawsuit belongs to the client; because the client bears the risk
    when settling or refusing to settle a dispute, it is the client, not the law-
    yer, who should assess whether the risk is acceptable.
    24.	 ____: ____. Although lawyers retain apparent authority to make proce-
    dural and tactical decisions through the existence of the attorney-client
    relationship, a lawyer cannot settle a client’s claim without express
    authority from the client.
    25.	 Attorney and Client: Compromise and Settlement: Appeal and
    Error. Disputes over a lawyer’s authority to settle are factual issues to
    be resolved by the trial court, and an appellate court will not set aside
    a trial court’s factual findings regarding settlement disputes unless such
    findings are clearly erroneous.
    26.	 Rules of the Supreme Court: Child Support. In general, child sup-
    port payments should be set according to the Nebraska Child Support
    Guidelines.
    27.	 Rules of the Supreme Court: Child Support: Stipulations. Stipulated
    agreements of child support are required to be reviewed against the
    Nebraska Child Support Guidelines.
    28.	 ____: ____: ____. If the court approves a stipulation which deviates
    from the Nebraska Child Support Guidelines, specific findings giving
    the reason for the deviation must be made.
    Appeal from the District Court for Lancaster County: John
    A. Colborn, Judge. Affirmed.
    Matt Catlett, of Law Office of Matt Catlett, for appellant.
    Terrance A. Poppe, Benjamin D. Kramer, and Andrew K.
    Joyce, of Morrow, Poppe, Watermeier & Lonowski, P.C.,
    L.L.O., for appellee.
    Moore, Chief Judge, and Pirtle and Bishop, Judges.
    Moore, Chief Judge.
    I. INTRODUCTION
    Lisa B. Pepin filed a complaint to modify the parent-
    ing time and support provisions of a decree of dissolution.
    During the ensuing litigation, Pepin and her former husband,
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    FURSTENFELD v. PEPIN
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    Justin S. Furstenfeld, engaged in settlement negotiations and
    Pepin believed an oral settlement agreement had been reached.
    Furstenfeld later refused to sign a stipulation memorializ-
    ing the oral agreement, and Pepin filed a motion to enforce.
    The district court granted Pepin’s motion to enforce, and
    Furstenfeld appeals. Finding no merit to Furstenfeld’s argu-
    ments, we affirm.
    II. FACTUAL BACKGROUND
    [1] At the outset, we must pause to observe that Furstenfeld’s
    brief contains no fewer than 18 separate assertions which
    were not annotated to the record presented to this court. He
    acknowledges as much at the end of each such statement by
    noting the assertion is not in the record. Pepin has objected to
    Furstenfeld’s characterization of the factual background of the
    case and correctly notes that a party’s brief may not expand
    the record. See State v. Patton, 
    287 Neb. 899
    , 
    845 N.W.2d 572
    (2014). Within our factual background, we will only include
    those facts which are supported by the record presented to
    this court.
    In December 2010, Pepin and Furstenfeld’s marriage was
    dissolved pursuant to a decree of dissolution. An amended
    decree was entered on January 21, 2011. While these decrees
    are not in our record, the district court’s order in this proceed-
    ing indicates that the initial decree approved the parties’ prop-
    erty settlement, custody agreement, and support agreement and
    that the amended decree corrected errors in two provisions of
    this agreement. On August 30, Pepin filed an amended com-
    plaint for modification of the decree, seeking an increase in
    Furstenfeld’s child support obligation and a modification or
    suspension of his parenting time with the parties’ minor child.
    The district court originally set a trial date of May 21, 2012,
    for Pepin’s complaint for modification.
    On May 16, 2012, Pepin; Pepin’s attorney, Terrance Poppe;
    and Furstenfeld’s attorney, Matt Catlett, met at Poppe’s office
    to conduct a telephonic deposition of Furstenfeld. At the
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    time, Furstenfeld was residing at an out-of-state rehabilita-
    tion facility. Instead of conducting a deposition, however,
    the parties, through their attorneys, engaged in settlement
    negotiations and an apparent agreement was reached. After
    reaching this agreement, Poppe and Catlett jointly contacted
    the district court judge to notify the court of the agreement
    and to remove the matter from the court’s trial calendar. Poppe
    proceeded to prepare a stipulation containing the terms of the
    parties’ agreement.
    Furstenfeld refused to sign the stipulation Poppe prepared.
    On June 18, 2012, Pepin filed a motion to enforce the settle-
    ment agreement. Specifically, her motion stated that she sought
    to enforce “the oral agreement reached by the parties on May
    21, 2012.” The court held a hearing on Pepin’s motion on April
    7, 2014.
    At the hearing, Pepin testified that she attended a meeting
    at her attorney’s office on May 16, 2012. During the meet-
    ing, Pepin learned from Poppe that Catlett was also present
    that day in another conference room within the office; Pepin
    did not personally interact with Catlett. At the end of this
    meeting, Pepin understood that a solid agreement had been
    reached and both attorneys were to call the judge and advise
    the court that the matter had been settled. Pepin further tes-
    tified that Poppe prepared a stipulation for modification of
    decree that same day which was consistent with the terms of
    the oral agreement that had been reached earlier in the day.
    Over Furstenfeld’s objection, the court received a copy of the
    stipulation into evidence.
    The stipulation for modification of decree provided, in per-
    tinent part, that Furstenfeld’s child support obligation would
    increase to $3,000 per month commencing June 1, 2012. The
    stipulation stated that a Nebraska child support calculation
    worksheet was attached and incorporated, although the copy
    of the stipulation received in evidence did not contain the
    worksheet. The stipulation also provided that Furstenfeld’s
    obligation to pay 80 percent of employment-related daycare
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    expenses would terminate on May 31, 2012; that he would
    remain obligated to provide health insurance for the par-
    ties’ minor child; and that he would also pay the first $480
    of any health care expenses for the minor child which were
    not covered by health insurance and 80 percent of those
    uncovered expenses thereafter. The stipulation further stated
    that the minor child’s image would not be used for any
    purpose by Furstenfeld’s band and that the child would not
    attend any of Furstenfeld’s concerts without Pepin’s prior
    approval. Other provisions included within the stipulation
    provided that Furstenfeld would pay $2,500 toward Pepin’s
    attorney fees, that certain orders to show cause would be
    vacated, and that the parties would not make disparaging or
    derogatory comments about the other through various means
    of communication.
    Following Pepin’s testimony, Poppe called Catlett as a wit-
    ness to testify in order to provide foundation for an e-mail
    regarding the oral settlement agreement and to establish that
    Catlett and Furstenfeld engaged in communications during the
    May 16, 2012, meeting. Catlett objected to being called as a
    witness and cited a number of Nebraska authorities which he
    believed established that an attorney does not have authority
    to bind a client to an agreement simply because the attorney
    had been retained by the client. The court overruled the objec-
    tion and permitted Pepin to question Catlett on a limited basis.
    After determining it would allow Catlett to testify, the court
    permitted Furstenfeld to obtain other counsel. Furstenfeld
    elected to represent himself.
    Catlett acknowledged that on May 15, 2012, he sent
    an e-mail to Poppe which contained the terms on which
    Furstenfeld offered to settle the case. The next day, Catlett
    arrived at Poppe’s office to conduct a telephonic deposition
    of Furstenfeld. Catlett confirmed that settlement negotiations
    ensued, an agreement was reached, and he and Poppe con-
    tacted the court to inform it that the matter had been set-
    tled. Later that day, Catlett received an e-mail from Poppe’s
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    assistant which stated that it included the stipulation for modi-
    fication of decree based on the agreement reached that morn-
    ing. The e-mail further stated that Poppe would “work up” a
    child support calculation that “matches” the $3,000 figure to
    attach to the stipulation. Catlett sent the following response to
    Poppe’s assistant:
    I believe this accurately reflects the agreement. I’ll
    send to [Furstenfeld], and once he returns to me the
    executed original, I will get it to [Poppe]. The trial date
    has been removed from the judge’s calendar, so we’re not
    under a rush, although I think we told the judge we’d get
    it to him for approval by the end of next week. Neither
    party will need to appear since we’re not changing cus-
    tody or parenting time.
    During his testimony, Catlett also stated that he could not
    remember whether the attachment to the e-mail was the same
    document he was reviewing during his testimony. Catlett fur-
    ther remarked that he recalled certain aspects of the stipulation,
    but did not recall others. However, he did not have any reason
    to believe that the proposed stipulation entered into evidence
    was not the same document which was attached to the e-mail
    on May 16, 2012.
    On cross-examination, Catlett stated that his client had
    not given him the right to sign off on anything. Later in
    the hearing, Furstenfeld testified that he did not authorize
    Catlett to make the settlement offer contained in the May 15,
    2012, e-mail.
    On July 31, 2014, the district court entered an order find-
    ing that the parties had entered into a binding settlement
    agreement on May 16, 2012. The court determined that this
    agreement unconditionally resolved all material terms of the
    dispute. The court further found that the proposed stipulation
    which had been entered into evidence at the hearing accu-
    rately reflected the terms of the parties’ agreement. Finally,
    the court approved the terms of the stipulation, finding them
    to be fair, reasonable, not unconscionable, and in the best
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    interests of the parties’ minor child. The court directed Poppe
    to prepare an order consistent with the stipulation, including
    child support calculations, for the court’s approval.
    On August 29, 2014, the court signed and filed the order
    Poppe prepared. A child support worksheet was attached to
    that order.
    Furstenfeld has appealed.
    III. ASSIGNMENTS OF ERROR
    Furstenfeld assigns four errors. He asserts the district court
    erred when it (1) received certain exhibits into evidence, (2)
    permitted Pepin to call Catlett as a witness, (3) sustained
    Pepin’s motion to enforce, and (4) incorporated into its order
    a child support calculation worksheet which was unsupported
    by evidence.
    [2,3] Furstenfeld also includes an additional assignment
    of error in his reply brief. For the first time, he assigns as
    error and argues that the district court should not have per-
    mitted Pepin to present oral testimony at the hearing. We
    will not address this argument because it was not raised in
    Furstenfeld’s initial brief. The purpose of an appellant’s reply
    brief is to respond to the arguments the appellee has advanced
    against the errors assigned in the appellant’s initial brief.
    Linscott v. Shasteen, 
    288 Neb. 276
    , 
    847 N.W.2d 283
    (2014).
    Errors not assigned in an appellant’s initial brief are thus
    waived and may not be asserted for the first time in a reply
    brief. 
    Id. IV. STANDARD
    OF REVIEW
    [4] Modification of a dissolution decree is a matter entrusted
    to the discretion of the trial court, whose order is reviewed
    de novo on the record, and which will be affirmed absent an
    abuse of discretion. Garza v. Garza, 
    288 Neb. 213
    , 
    846 N.W.2d 626
    (2014).
    [5] The construction of a contract is a matter of law, in
    connection with which an appellate court has an obligation to
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    reach an independent, correct conclusion irrespective of the
    determinations made by the court below. Strategic Staff Mgmt.
    v. Roseland, 
    260 Neb. 682
    , 
    619 N.W.2d 230
    (2000).
    [6-8] In proceedings where the Nebraska Evidence Rules
    apply, the admissibility of evidence is controlled by the
    Nebraska Evidence Rules; judicial discretion is involved only
    when the rules make discretion a factor in determining admis-
    sibility. State v. Merchant, 
    285 Neb. 456
    , 
    827 N.W.2d 473
    (2013). Where the Nebraska Evidence Rules commit the evi-
    dentiary question at issue to the discretion of the trial court,
    an appellate court reviews the admissibility of evidence for an
    abuse of discretion. 
    Id. An abuse
    of discretion occurs when a
    trial court’s decision is based upon reasons that are untenable
    or unreasonable or if its action is clearly against justice or con-
    science, reason, and evidence. 
    Id. V. ANALYSIS
                          1. Equitable Estoppel
    In the first argument section of his brief, Furstenfeld asserts
    the district court should have applied the principles of equita-
    ble estoppel to overrule Pepin’s motion to enforce. He reasons
    that Pepin effectively withdrew her motion to enforce the May
    16, 2012, agreement when she continued to litigate her modi-
    fication action after filing the motion to enforce. Furstenfeld
    highlights the fact that Pepin filed numerous motions after
    her motion to enforce which included an amended motion to
    take Furstenfeld’s deposition, a motion to release Furstenfeld’s
    medical records, a motion regarding parenting time during
    Christmas 2013, and a motion to suspend Furstenfeld’s parent-
    ing time. Pepin argues that we should not address this argu-
    ment because Furstenfeld did not raise the issue of equitable
    estoppel before the district court.
    [9,10] Furstenfeld has not properly preserved this issue
    for appeal. First, we observe that he does not assign error to
    this issue in his brief. For an appellate court to consider an
    alleged error, a party must specifically assign and argue it.
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    Melanie M. v. Winterer, 
    290 Neb. 764
    , 
    862 N.W.2d 76
    (2015).
    Even if we generously assume that this argument somehow
    relates to one of the four errors Furstenfeld has assigned, this
    issue was not presented to the district court at the hearing
    on the motion to enforce. At the hearing, Furstenfeld argued
    against Pepin’s motion to enforce on the ground that Catlett
    did not have authority to enter into the settlement agreement.
    Nothing remotely resembling the doctrine of equitable estop-
    pel was raised as an issue at the hearing. As has long been the
    case, appellate courts do not generally consider arguments and
    theories raised for the first time on appeal. State v. Ortega, 
    290 Neb. 172
    , 
    859 N.W.2d 305
    (2015); Bedore v. Ranch Oil Co.,
    
    282 Neb. 553
    , 
    805 N.W.2d 68
    (2011); Tolbert v. Jamison, 
    281 Neb. 206
    , 
    794 N.W.2d 877
    (2011).
    2. Evidence at Hearing on
    Motion to Enforce
    In his first assigned error, Furstenfeld attacks the district
    court’s evidentiary rulings regarding three separate exhib-
    its. He argues the court should not have received into evi-
    dence an e-mail message sent May 15, 2012, from Catlett
    to Poppe, the proposed stipulation, or a January 2014 letter
    from Poppe addressed to Catlett. We separately analyze each
    exhibit below.
    (a) May 15, 2012, E-mail
    At the hearing, Pepin sought to introduce a copy of an
    e-mail Poppe received from Catlett. This e-mail indicated
    Furstenfeld’s willingness to settle the case and included six
    settlement terms. Furstenfeld objected to the court’s receipt
    of this exhibit on relevance and hearsay grounds. The dis-
    trict court overruled Furstenfeld’s objections and stated
    that it would receive only the portions of the exhibit which
    were admissible and only for a limited purpose. On appeal,
    Furstenfeld maintains his contention that this e-mail was irrel-
    evant and hearsay.
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    [11-14] Under Neb. Evid. R. 402, Neb. Rev. Stat. § 27-402
    (Reissue 2008), all relevant evidence is admissible unless there
    is some specific constitutional or statutory reason to exclude
    such evidence. State v. Stricklin, 
    290 Neb. 542
    , 
    861 N.W.2d 367
    (2015). Evidence which is not relevant is not admissible.
    
    Id. Relevant evidence
    means evidence having any tendency to
    make the existence of any fact that is of consequence to the
    determination of the action more probable or less probable
    than it would be without the evidence. 
    Id. A trial
    court has the
    discretion to determine the relevancy and admissibility of evi-
    dence, and such determinations will not be disturbed on appeal
    unless they constitute an abuse of that discretion. Sturzenegger
    v. Father Flanagan’s Boys’ Home, 
    276 Neb. 327
    , 
    754 N.W.2d 406
    (2008).
    [15] We find this exhibit to be relevant to the determination
    of this action. Pepin asserted that she and Furstenfeld reached
    a settlement agreement; Furstenfeld denied that an agreement
    had been reached and also argued that Catlett never had author-
    ity to enter into a settlement agreement or engage in settlement
    negotiations. Clearly, this exhibit has some probative value
    relating to the issue of whether Catlett had authority to enter
    into a settlement agreement or engage in settlement negotia-
    tions. For evidence to be relevant, all that must be established
    is a rational, probative connection, however slight, between the
    offered evidence and a fact of consequence. Griffith v. Drew’s
    LLC, 
    290 Neb. 508
    , 
    860 N.W.2d 749
    (2015). The district court
    did not abuse its discretion when it determined this exhibit
    was relevant.
    Furstenfeld also claims this e-mail is hearsay because Catlett
    did not have authority to act as his agent and make state-
    ments on his behalf. Neb. Evid. R. 801(4)(b), Neb. Rev. Stat.
    § 27-801(4)(b) (Reissue 2008), provides in relevant part that a
    statement is not hearsay if
    [t]he statement is offered against a party and is (i) his
    own statement, in either his individual or a representative
    capacity, . . . (iii) a statement by a person authorized by
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    him to make a statement concerning the subject, or (iv) a
    statement by his agent or servant within the scope of his
    agency or employment . . . .
    There is no dispute that Pepin was offering the statements in
    the e-mail against Furstenfeld.
    [16] Since this e-mail was offered against Furstenfeld, the
    next question is whether the statements made within the e-mail
    were made by Catlett while he was acting within the scope of
    his agency or employment. We note that Catlett states within
    the e-mail that Furstenfeld authorized him to make the offer.
    However, in his brief, Furstenfeld argues that this statement
    should have no bearing on the issue of whether Catlett actually
    had authority to make statements on his behalf. On the issue of
    an attorney’s authority to make statements on behalf of a client,
    the Nebraska Supreme Court has held that when an attorney
    appears in a cause, there is a presumption that the attorney
    has authority and that presumption continues until the want of
    such authority is established. See, Lennon v. Kearney, 
    132 Neb. 180
    , 
    271 N.W. 351
    (1937); Nichols Media Consultants v. Ken
    Morehead Inv. Co., 
    1 Neb. Ct. App. 220
    , 
    491 N.W.2d 368
    (1992).
    The burden of proof of such want of authority is upon the party
    asserting the same. 
    Id. We find
    no merit to Furstenfeld’s arguments that his tes-
    timony that Catlett was not authorized to make any state-
    ments on his behalf was sufficient to rebut the presumption
    of such authority. The court’s order demonstrates that it deter-
    mined Furstenfeld’s testimony on this issue was not conclusive.
    Rather, the court found the evidence established that Catlett
    was authorized to act on his behalf. There was no error in this
    determination, and this exhibit was not hearsay.
    Furstenfeld’s arguments relating to the court’s receipt of this
    exhibit in evidence are without merit.
    (b) Proposed Stipulation
    Furstenfeld also asserts that the district court should not
    have received the proposed stipulation into evidence because
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    it was not relevant. He focuses on the fact that Pepin’s motion
    stated that the parties had reached a settlement agreement
    on May 21, 2012, whereas she testified at the hearing that
    the agreement was reached on May 16. Therefore, he argues
    the proposed stipulation was irrelevant because it did not
    tend to prove or disprove the fact that the parties reached an
    agreement on May 21. In response, Pepin states that this dis-
    crepancy in date was clearly recognized by the parties at the
    hearing and that Furstenfeld did not raise this discrepancy as
    an issue.
    Furstenfeld’s arguments are not persuasive. It is quite clear
    from the record that Pepin sought to enforce the settlement
    agreement she believed the parties reached on May 16, 2012.
    The date discrepancy was not raised at the hearing, and there
    is nothing in the record which demonstrates that this discrep-
    ancy was material to the outcome of the case. The proposed
    stipulation exhibit was clearly relevant to the issue of whether
    the parties had reached an oral settlement agreement prior
    to trial.
    (c) January 16, 2014, Letter
    Furstenfeld’s final evidentiary challenge relates to the court’s
    receipt of the January 16, 2014, letter Poppe sent to Catlett. In
    this letter, Poppe stated that he intended to call Catlett as a
    witness at the hearing on the motion to enforce if Furstenfeld
    continued to refuse to execute the proposed stipulation. Poppe
    offered this letter as evidence at the hearing and informed
    the court that he was offering this letter to reflect that he had
    attempted to avoid calling Catlett as a witness, but had no other
    choice. Other than Poppe’s statements to the court, Pepin did
    not provide any other foundation for this exhibit.
    [17] For the sake of argument, we will assume that
    Furstenfeld correctly argues that the court’s receipt of this
    exhibit constituted error on the basis of relevance. However,
    to constitute reversible error in a civil case, the admission or
    exclusion of evidence must unfairly prejudice a substantial
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    right of a litigant complaining about evidence admitted or
    excluded. Martensen v. Rejda Bros., 
    283 Neb. 279
    , 
    808 N.W.2d 855
    (2012). Furstenfeld cannot show the admission of this
    letter into evidence prejudiced a substantial right because the
    district court did not rely upon this exhibit in ruling upon
    Pepin’s motion. In fact, this exhibit is not even mentioned in
    the court’s order. This assigned error is without merit.
    3. Pepin’s Calling Catlett
    as Witness
    Furstenfeld also assigns error to the district court’s deci-
    sion to permit Pepin to call Catlett as a witness at the hearing.
    He asserts that it was not necessary for Pepin to call Catlett
    as a witness to prove that an oral agreement was reached.
    According to Furstenfeld, the court’s decision to allow Catlett’s
    testimony and then subsequently rely on that testimony to sus-
    tain Pepin’s motion “rigged” the game in Pepin’s favor. Brief
    for appellant at 23.
    [18-20] When a party seeks to disqualify an opposing attor-
    ney by calling that attorney as a witness, the court must strike
    a balance between the potential for abuse and those instances
    where the attorney’s testimony may be truly necessary to the
    opposing party’s case. See Beller v. Crow, 
    274 Neb. 603
    , 
    742 N.W.2d 230
    (2007). The party moving to disqualify an oppos-
    ing attorney bears the burden of establishing that the attorney’s
    testimony will be necessary. 
    Id. A party
    seeking to call oppos-
    ing counsel can prove that counsel is a necessary witness by
    showing that (1) the proposed testimony is material and rel-
    evant to the determination of the issues being litigated and (2)
    the evidence is unobtainable elsewhere. 
    Id. The record
    from the hearing on the motion to enforce
    reveals that the district court allowed Pepin to question Catlett
    on a “very limited” basis. Specifically, Pepin sought to estab-
    lish foundation for the e-mail Catlett sent to Poppe regarding
    the parties’ agreement and to establish that Furstenfeld engaged
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    in telephone communication with Catlett on May 16, 2012,
    during the settlement negotiations.
    We find no error in the district court’s determination to
    allow Pepin to question Catlett on a limited basis. Catlett’s
    testimony was material to the issues being litigated. Pepin
    demonstrated to the court that Catlett’s testimony would con-
    firm the authenticity of the e-mail sent to Poppe regarding the
    proposed stipulation and would also establish that Furstenfeld
    participated in settlement negotiations through telephone com-
    munication. The record reveals there was no other witness who
    could provide this evidence. Because Pepin established that
    Catlett’s testimony was material and relevant to the litigated
    issues and could not be obtained elsewhere, the district court
    correctly permitted the questioning.
    Furstenfeld also argues that Neb. Rev. Stat. § 7-107 (Reissue
    2012) prohibited Catlett from testifying to establish the exis-
    tence or terms of the agreement. The relevant portion of
    § 7-107 provides:
    An attorney or counsel has power: . . . (2) to bind
    his client by his agreement in respect to any proceeding
    within the scope of his proper duties and powers; but no
    evidence of any such agreement is receivable except the
    statement of the attorney himself, his written agreement
    signed and filed with the clerk, or an entry thereof upon
    the records of the court . . . .
    Furstenfeld contends that the language “statement of the attor-
    ney himself” should only apply to statements made in open
    court that there is an agreement to settle and recitations of the
    agreement’s terms. In other words, he concludes an attorney’s
    testimony is not permitted under the statute. He asserts that
    Catlett never made such a statement during the hearing.
    In support of his arguments, Furstenfeld relies upon two
    cases, Heese Produce Co. v. Lueders, 
    233 Neb. 12
    , 
    443 N.W.2d 278
    (1989), and Luethke v. Suhr, 
    264 Neb. 505
    , 
    650 N.W.2d 220
    (2002). We have closely reviewed these cases
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    and determine that neither case squarely addresses the issue
    of whether an attorney’s testimony as a witness satisfies the
    statutory language cited above. Heese Produce Co. discusses,
    among other issues, the failure to object to written corre-
    spondence adduced to prove the existence of a settlement
    agreement. Luethke primarily discusses when, and under what
    circumstances, a lawyer may bind his or her client to a settle-
    ment agreement entered into without express authority from
    the client.
    Upon our review, we agree with the district court’s conclu-
    sion that a settlement agreement may be established by the
    testimony of the attorney of the party sought to be bound. The
    plain language of § 7-107 supports such a result. See Fisher v.
    PayFlex Systems USA, 
    285 Neb. 808
    , 
    829 N.W.2d 703
    (2013)
    (absent statutory indication to contrary, appellate court gives
    words in statute their ordinary meaning). We further note that
    attorney testimony was received in Luethke v. 
    Suhr, supra
    , in
    an attempt to establish the existence of a settlement agreement.
    This assigned error is without merit.
    4. Sufficiency of Evidence on
    Motion to Enforce
    In addition to the previous errors discussed above,
    Furstenfeld also argues there was not sufficient evidence for
    the district court to sustain Pepin’s motion to enforce the agree-
    ment. He focuses his discussion on the fact that Pepin could
    not produce any direct evidence to establish that Furstenfeld
    had given Catlett express authority to enter into the settlement
    agreement. We reject this argument.
    [21,22] Nebraska case law establishes that a settlement
    agreement is subject to the general principles of contract law.
    See Woodmen of the World Life Ins. Soc. v. Kight, 
    246 Neb. 619
    , 
    522 N.W.2d 155
    (1994). To have a settlement agreement,
    there must be a definite offer and an unconditional acceptance.
    Heese Produce Co. v. Lueders, supra.
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    [23-25] Nebraska law is clear that the decision to settle a
    lawsuit belongs to the client; because the client bears the risk
    when settling or refusing to settle a dispute, it is the client, not
    the lawyer, who should assess whether the risk is acceptable.
    See Luethke v. 
    Suhr, supra
    . Although lawyers retain apparent
    authority to make procedural and tactical decisions through the
    existence of the attorney-client relationship, a lawyer cannot
    settle a client’s claim without express authority from the cli-
    ent. 
    Id. Disputes over
    a lawyer’s authority to settle are factual
    issues to be resolved by the trial court, and an appellate court
    will not set aside a trial court’s factual findings regarding
    settlement disputes unless such findings are clearly erroneous.
    See 
    id. In this
    case, the district court’s order reviewed the evidence
    adduced at the hearing and found that Catlett had author-
    ity to settle the case on Furstenfeld’s behalf. The evidence
    at the hearing established that Furstenfeld and Catlett were
    in telephone communication during the negotiations on May
    16, 2012. After these negotiations, Catlett and Poppe jointly
    informed the court, without any qualifications, that the matter
    had been settled. Thereafter, Catlett sent an e-mail response to
    Poppe’s proposed stipulation in which he stated the proposed
    stipulation accurately reflected the parties’ agreement. Catlett
    further testified at the hearing that he did not have any reason
    to believe the proposed stipulation was not the same document
    he reviewed 2 years prior to the hearing.
    The court also specified in its order that it did not find
    Furstenfeld’s testimony determinative on the issue of whether
    Catlett had been given authority to settle. In effect, this finding
    was a determination that Furstenfeld’s testimony was not as
    credible as Pepin’s evidence.
    Having reviewed the record, we conclude the district court
    did not clearly err in determining that Furstenfeld granted
    Catlett the necessary authority to settle the modification action.
    The record contains sufficient evidence for the district court to
    have sustained Pepin’s motion to enforce.
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    5. Child Support
    For his final assignment of error, Furstenfeld claims the
    district court erred when it adopted Poppe’s child support cal-
    culations in its August 29, 2014, order. He broadly asserts that
    there is no legal significance to any agreement that purports to
    establish or modify a child support obligation.
    [26-28] In general, child support payments should be set
    according to the Nebraska Child Support Guidelines. Anderson
    v. Anderson, 
    290 Neb. 530
    , 
    861 N.W.2d 113
    (2015). Stipulated
    agreements of child support are required to be reviewed against
    the guidelines. Molina v. Salgado-Bustamante, 
    21 Neb. Ct. App. 75
    , 
    837 N.W.2d 553
    (2013). If the court approves a stipulation
    which deviates from the guidelines, specific findings giving
    the reason for the deviation must be made. 
    Id. The child
    support worksheet attached to the August 29,
    2014, order shows gross monthly income for Pepin of $1,250
    and for Furstenfeld of $35,000; with respective net incomes of
    $1,101.08 and $22,740.09, for a total of $23,841.17 combined
    net monthly income. The total obligation of child support
    for the parties combined net monthly income is $2,201; with
    the father’s share at $2,099. In addition, a “Section 4-203(C)
    Additional Support Worksheet (Optional)” is attached which
    sets forth the net monthly combined income above $15,000
    at $8,841.17. This worksheet then sets the additional support
    pursuant to Neb. Ct. R. § 4-203(C) (rev. 2011) at $884.12,
    resulting in Furstenfeld’s final share of $2,943.
    Section 4-203(C) of the child support guidelines provides
    in part:
    [I]f total net income exceeds $15,000 monthly, child sup-
    port for amounts in excess of $15,000 monthly may be
    more but shall not be less than the amount which would
    be computed using the $15,000 monthly income unless
    other permissible deviations exist. To assist the court and
    not as a rebuttable presumption, the court may use the
    amount at $15,000 plus: 10 percent of net income above
    $15,000 for one, two, and three children; 12 percent of
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    net income above $15,000 for four children; 13 percent
    of net income for five children; and 14 percent of net
    income for six children.
    The worksheet adopted by the court complied with the pro-
    visions of § 4-203(C) as the additional support was 10 percent
    of Furstenfeld’s net income above $15,000. While there is no
    evidence in the record regarding the parties’ incomes at the
    time of the amended decree or the hearing on the motion to
    enforce, the parties agreed in the stipulation that Furstenfeld’s
    child support obligation would be increased to $3,000 and that
    a child support calculation worksheet would be attached. The
    child support calculation worksheets attached to the court’s
    order are consistent with the guidelines, and we can find no
    abuse of discretion in the court’s adoption of the stipulation
    and the child support worksheets.
    VI. CONCLUSION
    The district court did not err when it concluded that Pepin
    and Furstenfeld had reached a settlement agreement. We affirm
    the court’s order.
    A ffirmed.