Mississippi Code Title 63. Motor Vehicles and Traffic Regulations § 63-3-913

(1) The designation of areas on private property which are clearly marked to restrict access thereto to emergency vehicles shall be considered permission by the owner of such property that law enforcement officers may enter such private property to enforce such restricted access; and all municipal, county and state law enforcement officers are authorized to enforce such restriction.

(2) It is unlawful to park a motor vehicle, other than an emergency vehicle responding to an emergency, in an area which has been marked as provided in subsection (1) of this section; and any person who unlawfully parks a motor vehicle in such an area or who blocks access thereto is guilty of a misdemeanor and, upon conviction thereof, shall be fined not more than One Hundred Dollars ($100.00) for each violation. For the third and any subsequent offense under this section, the offender's driver's license shall be suspended for ninety (90) days in accordance with Section 63-1-53, Mississippi Code of 1972, in addition to any fine imposed.

(3) For the purpose of this section “emergency vehicle” means fire department vehicles, law enforcement vehicles, ambulances and any other vehicle designated as an emergency vehicle by the governing authority of the county or municipality within which the private property is located.