(a) Two or more nonresidential uses may jointly provide and use parking spaces when their hours of operations do not overlap.
(b) Where the spaces are collectively or jointly provided and used, a written agreement assuring their retention for the purposes, shall be properly drawn and executed by the parties concerned and shall be filed with the application for a zoning certificate, conditional use permit, and the like. The agreement is subject to approval by the Zoning Inspector. Any determination of the number of spaces to be shared shall consider the number of spaces available, days of operation, and peak hours.