2023—Subsec. (a)(1). Pub. L. 118–25 inserted “as an electronic stamp (as defined in section 718o of this title) or” after “Conservation Stamp,” and substituted “face of the actual stamp (as defined in that section)” for “face of the stamp”.

2014—Subsec. (a)(2)(D). Pub. L. 113–264 added subpar. (D).

2006—Pub. L. 109–266 amended section generally. Prior to amendment, section related to hunting and conservation stamp for taking migratory waterfowl.

1976—Pub. L. 94–215 substituted “hunting and conservation stamp” for “hunting stamp” in first sentence.

1956—Act July 30, 1956, substituted “no person who has attained the age of sixteen years”, for “no person over sixteen years of age”.

1935—Act June 15, 1935, substituted “validated by his signature written by himself in ink across the face of the stamp prior to his taking such birds” for “issued to him in the manner hereinafter provided,” and struck out provisions which authorized the Secretary of Agriculture to adopt and promulgate regulations for the protection of private property in the injury of crops.

Reorg. Plan No. II of 1939, set out in the Appendix to Title 5, Government Organization and Employees, transferred functions of Secretary of Agriculture relating to conservation of wildlife, game, and migratory birds to Secretary of the Interior.