Any registrar, assessor or registry assessor wilfully violating any of the provisions of this act, or wilfully registering any false statement of an elector, or registering as the member of a political party one whom he knows not to be such, or excluding from a party registry or enrollment any voter whom he knows to be entitled thereto, shall be guilty of a misdemeanor; and on conviction thereof shall be punished by imprisonment for not more than one (1) year, and a fine of not more than one thousand dollars ($1,000), or either or both, in the discretion of the court.