Section 1743 - Mandatory indemnification(a)General rule.--To the extent that a present or former director or officer of a business corporation has been successful on the merits or otherwise in defense of any action or proceeding referred to in section 1741 (relating to third-party actions) or 1742 (relating to derivative and corporate actions) or in defense of any claim, issue or matter therein, the director or officer shall be indemnified against expenses (including attorney fees) actually and reasonably incurred by the director or officer in connection therewith.(b)Prospective application.--The limitation of the scope of subsection (a) to a present or former director or officer applies only to acts occurring after (insert the effective date of the amendment of subsection (a)).Amended by P.L. TBD 2022 No. 122, § 52, eff. 1/2/2023.1988, Dec. 21, P.L. 1444, No. 177, § 103, effective 10/1/1989. Amended 1992, Dec. 18, P.L. 1333, No. 169, § 3, effective in 60 days.