S.C. Code Regs. § § 5-230
Advertising in the newspapers and periodicals shall observe the following rules: show the grade and size to which the eggs belong. No abbreviation for South Carolina grade or size shall be permitted. Window, show case, radio, handbill or other forms of advertising, shall plainly and definitely convey all information about eggs required in the above regulation governing newspaper advertising. Words or phrases tending to becloud or nullify the proper classification of eggs shall not be permitted. No statement, picture or advertising of any kind which exaggerates, exceeds or distorts the facts concerning the eggs shall be permitted. South Carolina grade, and size shall be in same size print in any form of advertisement. Eggs produced and packed in South Carolina and offered for sale shall use the term South Carolina.
S.C. Code Regs. § 5-230