Every officer having the custody of a public record or writing shall furnish any person, upon demand and payment of the legal fees therefor, a certified copy thereof. [C51, §2433; R60, §4051; C73, §3706; C97, §4638; C24, 27, 31, 35, 39, § 11299; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §622.46 ] Referred to in §22.2 , 321.11 , 622.51