All distributors and all wholesalers shall retain purchase records that meet the requirements set forth in Section 22978.5 for all cigarettes or tobacco products purchased. The records shall be maintained for a period of one year from the date of purchase on the distributor’s or the wholesaler’s premises identified in the license, and thereafter, the records shall be made available for inspection by the board or a law enforcement agency for a period of four years. Any distributor or any wholesaler found in violation of these requirements, or any person who fails, refuses, or neglects to retain or make available invoices for inspection and copying in accordance with this section shall be subject to penalties pursuant to Section 22981.