Section 12-1110 - Penalties; exceptions(a) A person who willfully and intentionally violates any provision of this subtitle is guilty of a misdemeanor and on conviction is subject to a fine not to exceed $500 per violation.(b) For a violation of a provision of this subtitle, a consumer under a rental-purchase agreement may recover from the lessor committing the violation, or may set off by way of a counterclaim in an action brought by the lessor or its assignee, an amount equal to: (2) $500 plus reasonable attorney's fees and court costs.(c) A lessor or its assignee may not be held liable under this subtitle if the lessor or its assignee proves by a preponderance of the evidence: (1) That the violation was unintentional and resulted from a bona fide error, notwithstanding the maintenance of procedures reasonably adopted to avoid that type of error; and(2) That the lessor or its assignee corrected the error and refunded any money excessively charged due to the error, within 30 days after discovering or receiving notice of the error.