§ Me. Rev. Stat. tit. 21-A, § 904Violations and penalties

A person commits a Class E crime if that person: 1. False swearing; signature. Circulates an initiative or referendum petition and swears that a signature is that of a person whose name it purports to be when the circulator knows that the signature is not that of the person; 2. False acknowledgement of oath. Is authorized by law to administer oaths and willfully and falsely acknowledges the oath of a circulator of an initiative or referendum petition when that oath was not made in the presence of that person; 3. False signature. Knowingly signs an initiative or referendum petition with a name other than the person's own name; 4. Duplicate signature. Knowingly signs the person's name more than once on initiative or referendum petitions for the same measure; 5. False swearing; signature made in circulator's presence. Circulates an initiative or referendum petition and willfully swears that a signature to the petition was made in the circulator's presence when it was not; or 6. Failure to truthfully execute and file circulator affidavit. Knowingly fails to truthfully execute and timely file a circulator affidavit under section 903‑A, subsection 4 .