It shall be unlawful, and a violation of this Division I, for any employer to discharge or reduce the compensation of any employee for:making a complaint to the Wage Commission; participating in any of its proceedings; or availing himself of any of the civil remedies provided herein. In such a case, the Wage Commission may, pursuant to the procedures provided in Subtitle 4 hereof, order appropriate restitution or the reinstatement of such employee with backpay to the date of violation. City Code, 1966, art. 19, §56(d) 1976/83, art. 19, §70A(a) Ord. 67-1219 Ord. 70-798 Ord. 78-778 Ord. 90-601