Mass. Gen. Laws ch. 52 § 5
The secretary of each city, ward and town committee shall, within ten days after its organization, file with the state secretary, with the city or town clerk and with the secretary of the state committee of the political party which it represents, a list of the officers and members of the committee, together with the addresses of such officers. In the case of a city, the secretary of each ward committee shall also file a copy of such list within such time with the chairman of the city committee of the political party which it represents. Within a like period after the appointment of associate members, said secretary shall likewise file a list of such associate members. The treasurer of such committee shall qualify for his office by filing a written acceptance thereof with the director of campaign and political finance, as provided in section five of chapter fifty-five. The secretary of such committee shall file with the director of the office of campaign and political finance a list of the officers of the committee, together with the addresses of such officers, within ten days after organization of such committee, or within ten days, of any change in the list of officers of such committee.
Mass. Gen. Laws ch. 52, § 5