The state of New Hampshire hereby assents to the provisions of the acts of Congress entitled the “Pittman-Robertson Wildlife Restoration Act,” to provide that the United States shall aid the states in wildlife restoration projects, and for other purposes, 16 U.S.C. § 669 et seq., as amended, and the “Dingell-Johnson Sport Fish Restoration Act,” to provide that the United States shall aid the states in fish restoration and management projects, and for other purposes, 16 U.S.C. § 777 et seq., as amended. The fish and game department, or any other state agency permitted by said act of Congress, are hereby authorized and empowered to perform such acts as may be necessary to the conduct and establishment of co-operative wildlife restoration and fish restoration and management projects as defined in said acts of Congress, in compliance with the said acts and rules and regulations promulgated by the Secretary of the Interior thereunder. Provided, that any funds accruing to the state of New Hampshire from license fees paid by hunters and fishermen shall be diverted to no other purpose than the administration of the duly authorized activities of the fish and game department.