Loading spaces required or being maintained in connection with any existing structure on March 22, 1961, shall thereafter be maintained so long as such structure remains unless an equivalent number of such spaces is provided conforming to the requirements of section 10-3-203 of this chapter or section 10-3-2741 of this article. Nothing contained in this section shall require the maintenance of more loading spaces than would be required for a new structure. (1962 Code § 10-763; amd. Ord. 01-O-2367, eff. 3-8-2001)