Me. Rev. Stat. tit. 30-A, § 3554

Each lease made under this chapter must require that the lessee file with the municipality a statement under oath containing the names and addresses of the officers and directors, in the case of a corporation, and, in the case of a partnership or other voluntary association, the names and addresses of all persons having a financial interest in the lease. A copy of all leases granted by the municipality shall be kept on file and shall be open to public inspection.