27 CFR 7.28: Formulas, samples, and documentation.

(a) Prior to or in conjunction with the review of an application for a certificate of label approval (COLA) on TTB Form 5100.31, the appropriate TTB officer may require a bottler or importer to submit a formula, the results of laboratory testing of the malt beverage, or a sample of any malt beverage or ingredients used in producing a malt beverage. After the issuance of a COLA, or with regard to any malt beverage required to be covered by a COLA, the appropriate TTB officer may require a full and accurate statement of the contents of the container.

(b) A formula may be filed electronically by using Formulas Online, or it may be submitted on paper on TTB Form 5100.51. See § 7.11 for more information on forms and Formulas Online.