12 U.S.C. § 921
Section, acts July 17, 1916, ch. 245, title I, §25, 39 Stat. 380; Mar. 4, 1923, ch. 252, title III, §310, 42 Stat. 1477; Aug. 18, 1959, Pub. L. 86-168, title I, §104(h), 73 Stat. 387, provided for notice to indorsing association in event of a default on a mortgage held by a land bank and for making good of such default by association.