52 Pa. Code § 1003.31
The following words and terms, when used in § 1003.32 (relating to out of service designation), have the following meanings, unless the context indicates otherwise:
Out of service-Immediate and temporary prohibition from the exercise of rights granted by the Authority under the act due to a public safety concern. An out of service designation will be narrowly tailored to create the most limited reduction of rights necessary to protect the public interest.
Public safety concern-Behavior of an individual or condition of a vehicle or equipment which violate the act, this part or an order of the Authority and which have an immediate and direct adverse impact upon the orderly operation of taxicabs and limousines in Philadelphia or which present a direct threat to public safety. For example, a limousine with a broken windshield, a taxicab with inaccurate colors and markings or a taxicab driver subject to a police arrest warrant may each result in an out of service designation.
52 Pa. Code § 1003.31
The provisions of this §1003.31 temporarily amended under 53 Pa.C.S. § 57B 02.