Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

SECTION 1. Section 4 of chapter 101 of the acts of 1965 is hereby amended by adding the following sentence:- There shall be 2 alternate members to be appointed by the board of selectmen, who may be designated by the chairman to sit on the commission in the case of absence, inability to act or conflict of interest on the part of any member or in the event of a vacancy until the vacancy is filled in the manner provided in this act.

SECTION 2. This act shall take effect upon its passage.