It is unlawful to park or place any mobile home, recreational vehicle or residential trailer in use for human occupancy within the city for any period of time exceeding seventy two hours except in a regularly licensed mobile home or RV park which has been issued a valid certification of sanitation required under the provisions of Chapter 446 of the Oregon Revised Statutes and local zoning and land use regulations, or for which a permit has been issued as provided in this chapter.