In all situations covered by § 3352 of Vehicle Laws of Pennsylvania (75 Pa.C.S.A. § 3352), as may be amended, which is incorporated herein by reference and where towing of vehicles is authorized pursuant to the Code of the City of Reading relating to parking and operation of vehicles, members of the Police Department shall contact only towing contractors authorized by Council in accordance with the provisions of this Part, except in an emergency situation, to include a declared snow emergency, where such towing contractors are not otherwise available.