Missouri Revised Statutes Title XX. Alcoholic Beverages § 311.540. Liquor inspection, labeling and gauging--requirements

1. Every person, persons or corporation who shall manufacture or distill spirituous liquors, including brandy, rum, whiskey, and gin, and other spirituous liquors, within this state, and wholesale or retail dealers or any other person who shall import such intoxicating liquors into this state, for the purpose of sale or offering the same for sale in this state, shall, before offering the same for sale, cause the same to be inspected and gauged by the supervisor of liquor control, or his or her designee.  It shall be the duty of the supervisor of liquor control, or his or her designee, to inspect and gauge such character of intoxicating liquor referred to in this section and to ascertain whether the same is correctly labeled.

2. Notwithstanding the provisions of subsection 1 of this section, the supervisor of liquor control, or his or her designee, shall not require product samples and shall not require the testing of product samples to determine alcohol content prior to granting approval for the sale of any such spirituous liquors product in the state if the supervisor of liquor control, or his or her designee, is provided with a copy of a certificate of label approval issued by the Federal Bureau of Alcohol, Tobacco and Firearms which verifies the alcohol content of the product.