(a) The county executive or his designee is hereby authorized, by executive order in the form of traffic orders, to regulate parking of vehicles on county property by the erection of official signs conforming to the regulations regarding signs posted on public streets and highways, and conforming in design, color, size and placement to the standards established in the most recent edition of the "Manual on Uniform Traffic Control Devices for Streets and Highways."
(b) All parking signs erected on any privately owned parking lot within the county shall conform to the regulations regarding signs posted on public streets, highways or other areas in the county, and conform in design, color, size and placement to the standards established in the most recent edition of the "Manual on Uniform Traffic Control Devices for Streets and Highways." The county executive or his designee may provide, by executive order in the form of traffic orders, for the erection of official signs regulating parking on any privately owned parking facility within the county, which parking facility is open to and used by members of the general public for parking in connection with retail commercial establishments, or other businesses to which the parking facility is appurtenant. Any traffic order issued under this section may require that the owner, tenant or employees of retail or commercial establishments furnish evidence necessary for the enforcement of such order. (1978 L.M.C., ch. 7, § 2; 1981 L.M.C., ch. 40, § 4; 1984 L.M.C., ch. 24, § 36.)