In all districts, the regulations of this Chapter applicable to community facility uses shall not apply to non-profit hospital staff dwellings. In lieu thereof, the regulations applicable to residences shall apply, as follows:

(a)        the regulations of a C4-1 District shall apply to non- profit hospital staff dwellings located in C1 or C2 Districts mapped within R1, R2 and R3 Districts, and to C3 Districts;

(b)        the regulations of a C4-2 District shall apply to non- profit hospital staff dwellings located in C1 or C2 Districts mapped within R4 and R5 Districts, and to C4-1 and C8-1 Districts; and

(c)        the regulations of a C4-7 District shall apply to non- profit hospital staff dwellings located in C1 or C2 Districts mapped within R6 through R10 Districts, and to C1- 6, C1-7, C1-8, C1-9, C2-6, C2-7, C2-8, C4-2, C4-3, C4-4, C4- 5, C4-6, C4-7, C5, C6, C8-2, C8-3 and C8-4 Districts.