321.490 Conviction not to affect credibility. The conviction of a person upon a charge of violating any provision of this chapter or other traffic regulation less than a felony shall not affect or impair the credibility of such person as a witness in any civil or criminal proceeding. [C39, §5037.07; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.490]
Iowa Legal Code