Ohio Revised Code Title XXXVII. Health Safety Morals § 3715.29

Vinegar manufactured, offered or exposed for sale, sold, or delivered, or in the possession of a person with intent to sell or deliver, under the name of cider vinegar, apple vinegar, or any compounding of the word “cider” or “apple” as the name or part of the name of vinegar, shall be the product made by the alcoholic and subsequent acetous fermentations of the juice of apples, and shall not contain any foreign substance, drugs, or acids, and is laevorotatory.  It shall contain not less than four grams of acetic acid, not less than one and six-tenths grams of apple solids of which not more than fifty percent are reducing sugars, and not less than twenty-five hundredths grams of apple ash in one hundred cubic centimeters at a temperature of twenty degrees centigrade.  The water-soluble ash from one hundred cubic centimeters, at a temperature of twenty degrees centigrade, of the vinegar shall contain not less than ten milligrams of phosphoric acid (P _{2 O} 5 ) which shall require not less than thirty cubic centimeters of decinormal acid to neutralize its alkalinity.