1978—Pub. L. 95–552 substituted “may not recommend any area” for “shall recommend no area”, incorporated existing provision in item (1) and added item (2).

1966—Pub. L. 89–669 struck out “game” from “migratory game birds”.

Transfer of functions of Secretary of Agriculture to Secretary of the Interior by Reorg. Plan No. II of 1939, see Transfer of Functions note set out under section 715a of this title.