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:

1. 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;
2. 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
3. the regulations of a C4-7 District shall apply to non-profit hospital staff dwellings located in Commercial Districts mapped within, or with a residential equivalent of, R6 through R10 Districts, and to C8-2, C8-3 and C8-4 Districts.