Massachusetts Constitution Amendments Art. XLVIII, Gen. Prov., Pt. I

Provision shall be made by law for the proper identification and certification of signatures to the petitions hereinbefore referred to, and for penalties for signing any such petition, or refusing to sign it, for money or other valuable consideration, and for the forgery of signatures thereto. Pending the passage of such legislation all provisions of law relating to the identification and certification of signatures to petitions for the nomination of candidates for state offices or to penalties for the forgery of such signatures shall apply to the signatures to the petitions herein referred to. The general court may provide by law that no co-partnership or corporation shall undertake for hire or reward to circulate petitions, may require individuals who circulate petitions for hire or reward to be licensed, and may make other reasonable regulations to prevent abuses arising from the circulation of petitions for hire or reward.