The provisions and penalties of § 9–342 of this title shall be used and shall apply to enforce violations of this part. In addition to any other penalty provided by law, the Department may assess against any retailer that violates § 9–1728.1(b) of this part a fine up to $1,000 for each violation, but not exceeding $10,000 total. A fine under paragraph (1) of this subsection may be assessed only after the retailer that committed the violation has been issued three warnings regarding the violation. Each day on which a violation occurs or continues is a separate violation under this subsection.