Any ordinance adopted pursuant to Section 22660 shall provide for administration of the ordinance by regularly salaried full-time employees of the city, county, or city and county, except that the removal of vehicles or parts thereof from property may be by any other duly authorized person. Any such authorized person may enter upon private property for the purposes specified in the ordinance to examine a vehicle or parts thereof, obtain information as to the identity of a vehicle, and remove or cause the removal of a vehicle or part thereof declared to be a nuisance pursuant to the ordinance.