Armed services housing mortgage insurance, administrative regulations under sec. 803, 809 and 810 of National housing act, as amended, title 24, chap. 11, subchap. M, pts. 292a, 293a and 294, Code of Federal regulations, effective dates, sec. 803, Aug. 15, 1955, sec. 809, June 13, 1956, sec. 810, Sept. 23, 1959.