01-001-803 Me. Code R. § 3
A candidate for an elected supervisor must be a registered voter residing within the boundaries of the district holding the election. The candidate or representatives working in his behalf shall submit to the Election Superintendent a nomination petition for the supervisor candidate signed by at least twenty-five (25) registered voters residing within the boundaries of the district. The Election Superintendent shall provide supervisor candidates with sufficient copies of blank nominating petitions. A sample form shall be provided by the Maine Department of Agriculture, Food and Rural Resources. The Election Superintendent shall establish the final date by which nomination petitions will be received and will certify nomination petitions for completeness and eligibility.
01-001 C.M.R. ch. 803, § 3