Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 34A, § 5

(A.) At-large candidates for the charter commission shall be registered voters of the county in which they are candidates. District candidates for the charter commission shall be registered voters of the district in which they are candidates.

(B.) The signatures of three hundred registered voters residing in such county shall be required to nominate at-large charter commission members, and signatures of one hundred and fifty registered voters residing in the district shall be required to nominate district charter commission members. Nominating papers containing required number of signatures shall be filed with the state secretary not later than the tenth Tuesday prior to the election in which charter commission members are to be chosen. Nominations for charter commission members shall be governed by the provisions of chapter fifty-three which are applicable to nominations for state office, except that no party or political designations shall be used and that the eight-word statements provided for in section forty-five of chapter fifty-three shall not be used. The clerk of each city and town in such county shall furnish to each candidate for charter commission upon request one copy of the list of registered voters of such city or town and one copy of the list of residents provided for in section six of chapter fifty-one.