(a) Any licensee who has purchased malt beverages for sale at the site of a festival or civic celebration which has been held annually for at least 15 years during a specified period not exceeding 10 days shall be authorized for 24 hours following the official close of the celebration to sell any malt beverages remaining at the site to any licensee or permittee authorized to purchase malt beverages for resale.
(b) Records of any such transactions shall be kept as may be required by the administrator.