Current through Register Vol. 54, No. 44, November 2, 2024
Section 15.71 - Retroactivity clause(a)Use. If a statute is to apply retroactively, it is necessary to include a provision to achieve this effect. The act (1 Pa.C.S. § 1926) provides that no statute shall be construed to be retroactive unless clearly and manifestly so intended by the General Assembly.(b)Form. A retroactive provision may be in substantially the following form: "This act shall take effect immediately and shall be retroactive to January 1, 1973."