Where an attested copy of a contract between the parties concerned and the city as a third party beneficiary is filed with the application for a building permit, which contract sets forth an agreement for joint use of parking spaces irrevocable for the life of the uses or buildings concerned, the number of spaces jointly required for a place of assembly, the use of which is principally exercised during non-business hours, and a business use or uses regularly closed at such time may be reduced so that the total number equals whichever is greater:
(A) All spaces required for the business use or uses, plus one-half of the spaces required for the place of assembly; or
(B) All the spaces required for the place of assembly, plus one-half of the spaces required for the business use or uses.
(`83 Code, § 17.24.100) (Ord. 94-03 § 6, 1994)