Lawyer As Witness

(a) A lawyer shall not act as advocate before a tribunal in a matter in which the lawyer is likely to be a witness on a significant issue of fact unless: (1) the testimony relates solely to an uncontested issue; (2) the testimony relates solely to the nature and value of legal services rendered in the matter; (3) disqualification of the lawyer would work substantial hardship on the client; (4) the testimony will relate solely to a matter of formality, and there is no reason to believe that substantial evidence will be offered in opposition to the testimony; or (5) the testimony is authorized by the tribunal. (b) A lawyer may not act as advocate before a tribunal in a matter if: (1) another lawyer in the lawyer’s firm is likely to be called as a witness on a significant issue other than on behalf of the client, and it is apparent that the testimony may be prejudicial to the client; or (2) the lawyer is precluded from doing so by Rule 1.7 or Rule 1.9.