§ 104-a. Provisions governing vendors. 1. No sign, of any kind, printed, painted, or electric, advertising any brand of beer shall be permitted on the exterior or interior of such premises, except by permission of the liquor authority.

2. No vendor shall transport beer in any vehicle owned and operated or hired and operated by such vendor, for off-premises consumption, unless there shall be attached to or inscribed upon both sides of such vehicle a sign, showing the name and address of the licensee together with the following inscription, "New York State Beer Vendor's License No. ........ , " as the case may be, in uniform letters not less than three and one-half inches in height. In lieu of such sign, a vendor may have in the cab of such vehicle a photostatic copy of its current license issued by the authority, and such copy duly authenticated by the authority.

3. No vendor for off-premises consumption shall sell or deliver to any person beer in excess of five gallons at one and at the same time.

4. Each vendor for off-premises consumption shall keep and maintain upon the licensed premises, adequate books and records of all transactions involving the business transacted by such vendor, which shall show the amount of beer purchased by such licensee together with the names, license numbers and places of business of the persons from whom the same was purchased, and the amount involved in such purchases, as well as the amount of beer sold by such vendor, and the amount involved in each sale. Such books and records shall be available for inspection by any authorized representative of the liquor authority.