Mass. Gen. Laws ch. 41, § 18A: Records of city clerk; attestation

Section 18A. The records of the city clerk of a city may be attested by the volume and it shall be deemed to be a sufficient attestation of each and all of the records contained therein when a volume of said records bears the attest with the written signature of the city clerk or of the assistant city clerk duly appointed under the provisions of section eighteen.