Me. Rev. Stat. tit. 32, § 11040

Any person who carries on business as a debt collector without first obtaining a license pursuant to this subchapter, or who carries on that business after the revocation, suspension or expiration of any license, or who performs duties relating to the conduct of a debt collector on behalf of another person as an officer, director, employee, agent or in any other capacity, unless the other person has first obtained a license which has not expired, but been revoked nor suspended is guilty of a Class E crime.