Constitution of the State of Iowa… (1857)
“ Executive approval — veto — item veto by governor. Every bill which shall have passed the general assembly, shall, before it becomes a law, be presented to the governor. If he approve, he shall sign it; but if not, he shall return it with his objections, to the house in which it originated, which shall enter the same upon their journal, and proceed to reconsider it; if, after such reconsideration, it again pass both houses, by yeas and nays, by a majority of two thirds of the members of each house, it shall become a law, notwithstanding the governor’s [4] objections. ”
