Witness for each other.

Iowa Code § 622.8, under EVIDENCE.

Iowa Code § 622.8

In all civil and criminal cases the husband and wife may be witnesses for each other. [C51, §2391; R60, §3983; C73, §3641; C97, §4606; S13, §4606; C24, 27, 31, 35, 39, § 11261; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §622.8 ]