When a lot is divided by a zone boundary, the following rules shall apply:
A. When a lot contains both residential and nonresidential zoning, the zone boundary between the zones shall be considered a lot line for determining permitted building height and required setbacks on the site;
B. When a lot contains residential zones of varying density, any residential density transfer within the lot shall only be allowed from the portion with the lesser residential density to that of the greater residential density; and
C. Uses on each portion of the lot shall only be those permitted in each zone pursuant to Chapter 12.06 BMC. (Ord. 1815 § 1, 2000; Ord. 1629 § 1, 1996. Formerly 12.14.170).