Savings bank activities
(A) To the extent authorized by the Comptroller, but subject to section 18(m)(3) of the Federal Deposit Insurance Act [ 12 U.S.C. 1828(m)(3) ]— (i) any Federal savings bank chartered as such prior to October 15, 1982 , may continue to make any investment or engage in any activity not otherwise authorized under this section, to the degree it was permitted to do so as a Federal savings bank prior to October 15, 1982 ; and (ii) any Federal savings bank in existence on August 9, 1989 , and formerly organized as a mutual savings bank under State law may continue to make any investment or engage in any activity not otherwise authorized under this section, to the degree it was authorized to do so as a mutual savings bank under State law.
(B) The authority conferred by this paragraph may be utilized by any Federal savings association that acquires, by merger or consolidation, a Federal savings bank enjoying grandfather rights hereunder.