The amendment to the articles shall not be effective until 18 months after the vote of the shareholders of the corporation and shall not apply to any business combination of the corporation with an interested shareholder whose share acquisition date is on or prior to the effective date of the amendment.
A reference in the articles or bylaws to former section 911 (relating to requirements relating to certain business combinations) of the act of May 5, 1933 (P.L. 364, No. 106), known as the Business Corporation Law of 1933, shall be deemed a reference to this subchapter for the purposes of this section. Seesection 101(c) (relating to references to prior statutes).
15 Pa.C.S. § 2551