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

The first paragraph of section 5 of chapter 559 of the acts of 1953 is hereby amended by striking out the first sentence and inserting in place thereof the following sentence:- A member of the board of selectmen, the school committee, or the finance committee, shall, during the term for which he was elected or appointed, be ineligible to hold any other elective or appointed town office or position other than town meeting member; provided, however, that a member of said board of selectmen may be appointed to serve as a member of a town building committee.