The court shall treat the signed statement, if accepted and accompanied by the penalty herein prescribed, as a plea of guilty, and shall make an entry thereof on its records. No costs, fees, or other charges may be assessed against any person so admitting a violation of any such ordinance or shall be allowed or paid to any officer or person because of the violation, but the penalty shall be accepted by the court in full discharge of the criminal liability of the person as a result of the violation. (Added 1961, No. 103, § 7.)