The organization, armament, equipment, and discipline of the national guard, and the militia when called into state active duty, except as specifically provided in this chapter, shall be the same as that which is now or may be hereafter prescribed under the provisions of federal law and regulations as to those requirements which are mandatory under federal law and regulation, but as to those things which are optional under federal law and regulation they shall become effective when an order or regulation to that effect is promulgated by the governor.
Iowa Code § 29A.4
2001 Acts, 2nd Ex, ch 1, §7, 28; 2020 Acts, ch 1063, § 16