1. A person who files an individual or a joint income tax return with the department of revenue under section 422.13 may designate a contribution to the state fish and game protection fund authorized pursuant to section 456A.16 . 2. This section is subject to repeal under section 422.12E . 2006 Acts, ch 1158, §28 ; 2019 Acts, ch 152, §51 Referred to in §422.16