Section 2121 - Corporate name of nonstock corporations(a) General rule.--The corporate name of a nonstock corporation may contain the word "mutual." (b)Insurance names.--See section 202(c)(1)(iii) (relating to requirements for names generally).Amended by P.L. 2639 2014 No. 172, § 24, eff. 7/1/2015.1988, Dec. 21, P.L. 1444, No. 177, § 103, effective Oct. 1, 1989. Amended 1990, Dec. 19, P.L. 834, No. 198, § 102, imd. effective.