Rhode Island General Laws Title 21. Food and Drugs § 21-22-2. Artificial coloring prohibited--Acetic acid and vinegar solid requirements

All vinegars shall be without artificial coloring matter, and shall contain not less than four grams (4 gs.) of acetic acid in one hundred grams (100 gs.) of the vinegar.  Cider vinegar shall contain in addition to four grams (4 gs.) of acetic acid not less than one and six-tenths grams (1.6 gs.) of cider vinegar solids in one hundred grams (100 gs.) of the vinegar.  If any vinegar contains any artificial coloring matter, or less than the amount of acidity required by this section, or, in the case of a cider vinegar, if it contains less than the amount of acidity or cider vinegar solids required by this section, it shall be deemed to be an adulteration within the meaning of this chapter.