Mass. Gen. Laws ch. 56, § 28: Illegal voting; aiding or abetting

Section 28. Whoever, at a primary, caucus or election, aids or abets a person who is not entitled to vote, in voting or attempting to vote, or in voting or attempting to vote under a name other than his own, or in casting or attempting to cast more than one ballot, shall be punished by a fine of not more than ten thousand dollars or by imprisonment for not more than five years, or both.