Me. Rev. Stat. tit. 13, § 981 (2025)
A corporation organized for charitable or benevolent purposes may not sue any of its members for dues or contributions of any kind, or be sued by any member for any benefit or sum due to that member, but all such rights and benefits, dues and liabilities may be regulated and enforced only in accordance with its bylaws.
RR 2025, c. 1, Pt. E, §4 (COR).