The Off-Street Parking Commission of Baltimore City is hereby vested with full power to administer and supervise the proceeds derived from the sale of the bonds <em>{cf. Ch. 212, Acts of 1961}</em>, including, but not limited to, the expenditure and disposition thereof. The Commission may appoint a Secretary who shall perform such duties as may be imposed upon him by ordinance of the Mayor and City Council of Baltimore or as may be assigned to him by the Commission, and appoint, employ, hire or engage such assistants, aides and employees as may be deemed necessary for the proper performance of the duties of the Commission. The compensation of said Secretary and other assistants, aides and employees shall be subject to the approval of the Board of Estimates of the Mayor and City Council of Baltimore and shall be paid as provided in the annual Ordinance of Estimates of said municipality. The Commission, with the prior approval of the Board of Estimates, may employ or hire, from time to time, by contract, consulting, planning or designing engineers or architects or other persons possessing technical or specialized skills in connection with the duties and powers of the Commission. The Commission shall exercise all powers and authority conferred upon it in accordance with the provisions of the Charter of the Mayor and City Council of Baltimore as it is now constituted or as it hereafter may be amended. P.L.L., 1969, §12-3 1961, ch. 212