of number of Members of House of Representatives on basis of number of constituents of least-populous State (a) Method for determination of number Section 22(a) of the Act entitled An Act to provide for the fifteenth and subsequent decennial census and to provide for apportionment of Representatives in Congress , approved June 18, 1929 ( 2 U.S.C. 2a(a) ), is amended— (1) by striking (a) On the first day and inserting (a)(1) On the first day