Be it enacted by the Senate and House of Representatives
in General Court assembled, and by the authority of the same,
as follows:
Section 31C of chapter 44 of the General Laws, as appearing in the 1984 Official Edition, is hereby amended by striking out the first sentence and inserting in place thereof the following sentence:- No contract for the construction, reconstruction, alteration, remodeling, repair or demolition of any public building or public work by any city or town costing more than two thousand dollars shall be deemed to have been made until the auditor or accountant or other officer of the city or town having similar duties has certified thereon that an appropriation in the amount of such contract is available therefor and that an officer or agent of the city, town or awarding authority has been authorized to execute said contract and approve all requisitions and change orders.