If the court admits evidence that is admissible against a party or for a purpose-but not against another party or for another purpose-the court, on timely request, must restrict the evidence to its proper scope and instruct the jury accordingly.
Utah. R. Evid. 105
Advisory Committee Note. The language of this rule has been amended as part of the restyling of the Evidence Rules to make them more easily understood and to make style and terminology consistent throughout the rules. These changes are intended to be stylistic only. There is no intent to change any result in any ruling on evidence admissibility. This rule is the federal rule, verbatim.
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