The state of Iowa assents to the provisions of the Act of Congress entitled “An Act To Provide That The United States Shall Aid The States In Wildlife Restoration Projects, And For Other Purposes”, approved September 2, 1937, 50 Stat. 917, codified at 16 U.S.C. § 669 – 669k, and the department may perform acts as necessary to the conduct and establishment of cooperative wildlife restoration projects, as defined in the Act of Congress, in compliance with the Act and with regulations promulgated by the secretary of agriculture under the Act. No funds accruing to the state of Iowa from license fees paid by hunters shall be diverted for any other purpose than as set out in sections 456A.17 and 456A.19.