For purposes of prosecution under this chapter, if a vehicle is found parked or left unattended in violation of the provisions of this chapter and the identity of the operator cannot be determined at the scene of the violation, the registered owner thereof shall be prime facie responsible for the violation.  It shall be a misdemeanor for any person to obstruct the orderly removal of snow from the city's streets by parking a vehicle, or permitting or allowing a motor vehicle owned by such person to be parked, in violation of the provisions of this chapter.  The maximum penalty permitted for a violation of this chapter is twenty-five dollars.  (Ord. 90/T-9055).