17-229-205 Me. Code R. § 7
Any person, firm, corporation or other legal entity who shall erect, maintain or display a sign contrary to and in violation of this chapter, or the rules and regulations promulgated by the Commissioner, shall be punished by a fine of not more than $100 together with the cost of removal of the signs. The unlawful maintenance or display of each sign or advertising structure for any one day shall constitute a separate offense.
In addition to other penalties, the Department, if the illegal sign is located on a state or state aid highway, or the compact municipality, if the illegal sign is located on a town way or state or state aid highway in an urban compact, may institute any appropriate action, injunction or other proceeding to prevent, restrain, correct or abate any violation of this chapter, or any orders or the rules and regulations issued or promulgated hereunder.
17-229 C.M.R. ch. 205, § 7