Section 336a, act July 30, 1956, ch. 778, 1, 70 Stat. 715, related to absence during 1956 to 1959 due to economic conditions and protection of rights of entryman. Section 336b, act July 30, 1956, ch. 778, 2, 70 Stat. 716, related to homestead or desert land applications on file as of Mar. 1, 1956, and entries and rights of United States.