Section 5A. The records, required to be kept by sections eleven A of chapter thirty A, nine F of chapter thirty-four and twenty-three B of chapter thirty-nine, shall report the names of all members of such boards and commissions present, the subjects acted upon, and shall record exactly the votes and other official actions taken by such boards and commissions; but unless otherwise required by the governor in the case of state boards, commissions and districts, or by the county commissioners in the case of county boards and commissions, or the governing body thereof in the case of a district, or by ordinance or by-law of the city or town, in the case of municipal boards, such records need not include a verbatim record of discussions at such meetings.