A. The City Council shall adopt official maps denoting the above-identified areas. Substantial amendments of these maps shall be a Type III procedure in section 18.5.1.070.

B. Minor amendments of the maps to correct mapping errors when the amendments are intended to more accurately reflect the mapping criteria contained in this chapter or in the findings of the Council in adopting an official map may be processed as a Type I procedure in section 18.5.1.050.