(a) Defined. "Prior record" means any contested admission, disciplinary or reinstatement decision of the Disciplinary Board or the Supreme Court that has become final.(b) Restrictions on Admissibility. At the fact-finding hearing in a disciplinary proceeding, a respondent's prior record or lack thereof shall not be admissible to prove the character of a respondent or to impeach their credibility.Rule 5.5a-b amended by Order dated May 3, 2017, effective 1/1/2018. Rule 5.5(b) amended by Order dated December 26, 2023, effective 1/1/2024.