27 United States Code, Chapter 8, Subchapter I, Section 205
(f) Advertising
To publish or disseminate or cause to be published or disseminated by radio broadcast, or in any newspaper, periodical or other publication or by any sign or outdoor advertisement or any other printed or graphic matter, any advertisement of distilled spirits, wine, or malt beverages,
if such advertisement is in, or is calculated to induce sales in, interstate or foreign commerce, or is disseminated by mail, unless such advertisement is in conformity with such regulations, to be prescribed by the Secretary of the Treasury, (1) as will prevent deception of the consumer with respect to the products advertised and as will prohibit, irrespective of falsity, such statements relating to age, manufacturing processes, analyses, guaranties, and scientific or irrelevant matters as the Secretary of the Treasury finds to be likely to mislead the consumer; (2) as will provide the consumer with adequate information as to the identity and quality of the products advertised, the alcoholic content thereof (except the statements of, or statements likely to be considered as statements of, alcoholic content of malt beverages and wines are prohibited), and the person responsible for the advertisement; (3) as will require an accurate statement, in the case of distilled spirits (other than cordials, liqueurs, and specialties) produced by blending or rectification, if neutral spirits have been used in the production thereof, informing the consumer of the percentage of neutral spirits so used and of the name of the commodity from which such neutral spirits have been distilled, or in case of neutral spirits or of gin produced by a process of continuous distillation, the name of the commodity from which distilled; (4) as will prohibit statements that are disparaging of a competitor's products or are false, misleading, obscene, or indecent; (5) as will prevent statements inconsistent with any statement on the labeling of the products advertised. This subsection shall not apply to outdoor advertising in place on June 18, 1935, but shall apply upon replacement, restoration, or renovation of any such advertising. The prohibitions of this subsection and regulations thereunder shall not apply to the publisher of any newspaper, periodical, or other publication, or radio broadcaster, unless such publisher or radio broadcaster is engaged in business as a distiller, brewer, rectifier, or other producer, or as an importer or wholesaler, of distilled spirits, wine, or malt beverages, or as a bottler, or warehouseman and bottler, of distilled spirits, directly or indirectly or through an affiliate.
The provisions of subsections (a), (b), and (c) of this section shall not apply to any act done by an agency of a State or political subdivision thereof, or by any officer or employee of such agency.
In the case of malt beverages, the provisions of subsections (a), (b), (c), and (d) of this section shall apply to transactions between a retailer or trade buyer in any State and a brewer, importer, or wholesaler of malt beverages outside such State only to the extent that the law of such State imposes similar requirements with respect to similar transactions between a retailer or trade buyer in such State and a brewer, importer, or wholesaler of malt beverages in such State, as the case may be. In the case of malt beverages, the provisions of this subsection and subsection (e) of this section shall apply to the labeling of malt beverages sold or shipped or delivered for shipment or otherwise introduced into or received in any State from any place outside thereof, or the advertising of malt beverages intended to be sold or shipped or delivered for shipment or otherwise introduced into or received in any State from any place outside thereof, only to the extent that the law of such State imposes similar requirements with respect to the labeling or advertising, as the case may be, of malt beverages not sold or shipped or delivered for shipment or otherwise introduced into or received in such State from any place outside thereof.
Source: U.S. Code Online via GPO Access