Parking on Public Property; Defines "public property" & "publicly owned buildings or facilities"; requires local governments to refund owners of vehicles who pay fees to park on specified public property in certain circumstances; requires local governments to carry over any unused portion of time for benefit of next vehicle owner who pays fee to park on such public property in certain circumstances; prohibits certain vehicles from being towed or issued traffic citation for specified time period after being parked on specified public property; prohibits local governments from allowing private business entities or enterprises to use specified public property for private parking purposes for fee.