All food offered or exposed for sale, or sold in package or wrapped form, shall be labeled on the package or container as prescribed in sections 189.9 through 189.12 , unless otherwise provided in this chapter . [C97, §2517, 2519, 4989; S13, §2515-b, -c; SS15, §4999-a31c; C24, 27, 31, 35, 39, § 3067; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §191.1 ] 2021 Acts, ch 76, §42