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

If, pursuant to paragraph (d) of section 2 of chapter 32B of the General Laws, the board of selectmen of the town of Sterling allows elected town officials whose duties require less than 20 hours work per week as said board may determine to participate in said town's group insurance program, such officials shall pay 100 per cent of the premiums.