(f) Penalty for Violation. - Upon investigation by the Commissioner of Labor or the Commissioner's authorized representative, any employer found to be in violation of subsection (c) of this section shall be issued a written warning for a first violation and shall be subject to a civil penalty of up to five hundred dollars ($500.00) for each additional violation occurring after receipt of the written warning. In determining the amount of any penalty ordered under authority of this section, the Commissioner shall give due consideration to the appropriateness of the penalty with respect to the size of the business of the person being charged, the gravity of the violation, the good faith of the person, and the record of previous violations. The determination of the amount of the penalty by the Commissioner shall be final, unless within 15 days after receipt of notice thereof by certified mail with return receipt, by signature confirmation as provided by the U.S. Postal Service, by a designated delivery service authorized pursuant to 26 U.S.C. § 7502(f)(2) with delivery receipt, or via hand delivery, the person charged with the violation takes exception to the determination in which event the final determination of the penalty shall be made in an administrative proceeding and in a judicial proceeding pursuant to Chapter 150B of the General Statutes, the Administrative Procedure Act. The Commissioner of Labor may adopt, modify, or revoke such rules as are necessary for carrying out the provisions of this subsection. Nothing in this section shall be construed to create a private cause of action against any employer or its agents or employees, any educational institutions or their agents or employees, or any State or local government agencies, officials, or employees.