When in package form, and when packed, kept, offered or exposed for sale, or sold, wheat flour, whole wheat flour, graham flour, self-rising wheat flour, phosphated wheat flour, bromated flour, enriched flour, enriched self-rising flour, enriched bromated flour, corn flour, corn meal, and hominy grits shall be packaged only in units of 2, 5, 10, 25, 50, or 100 pounds, avoirdupois weight. However, packages in units of less than 2 pounds or more than 100 pounds are permitted. (Added 1967, No. 102, § 30, eff. April 14, 1967; amended 1971, No. 69, § 9, eff. April 15, 1971.)