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. Notwithstanding section 13 of chapter 80 of the General Laws, sewer betterment assessments made by the city of Attleboro shall bear interest at a rate of from 0 per cent to 2 per cent above the rate chargeable to said city for sewer projects.

SECTION 2. Section 1 shall apply to all sewer assessments made on and after December 1, 1998.