S.C. Code Regs. § 5-253
All containers, such as cloth and paper bags, barrels, and other containers for white flour and for self-rising flour must be labelled in accordance with the Federal Security Agency's regulations for foods for special dietary uses (Federal Register November 29, 1941, page 5925), so as to carry information as to minimum daily requirements of required ingredients for adults.
Specimen wording of label submitted below contains the above information, and either these, or similar ones, are acceptable.
ENRICHED FLOUR.
"10 ozs. of this flour contains not less than the following proportions of the minimum daily requirements of Vitamins B-1, 100%; Iron 37% and 3.75 mg. of Niacin (another B. Vitamin)."
or
"8 oz. (2 cups) contains 83% of the Vitamin B-1, and 30% of the Iron required daily as a minimum for an adult; also 3 mg. Niacin."
Labels shall be printed on bags, or other containers, in type large enough to be easily read.
S.C. Code Regs. 5-253