Required off-street parking and loading facilities accessory to an existing use on the effective date of this Zoning Code, and those required as accessory to a use created or a building constructed or altered thereafter, shall be continued and maintained in operation, shall not be used for any outdoor purpose other than parking and shall not be reduced below the requirements during the period that the main use is maintained.
(Ord. 1969-169. Passed 7-16-70.)