It is unlawful for any person to manufacture, mix, compound, sell or offer for sale, for human consumption in this state, flour as defined in section one of this article, unless the following vitamins and minerals are contained in each pound of such flour: Not less than two and not more than two and five-tenths milligrams of thiamine; not less than one and two-tenths and not more than one and five-tenths milligrams of riboflavin; not less than sixteen and not more than twenty milligrams of niacin or niacinamide; not less than thirteen and not more than sixteen and five-tenths milligrams of iron; except in the case of self-rising flour which in addition to the above ingredients shall contain not less than five hundred and not more than fifteen hundred milligrams of calcium: Provided, That the provisions of this section do not apply to flour sold to distributors, bakers or other processors, if the purchaser furnishes to the seller a certificate in such form as the commissioner has prescribed by rule, certifying that such flour will be:
W. Va. Code § 19-28-2