[Amended 1-26-1998 by L.L. No. 1-1998]
In order to carry out the provisions of this chapter, the uses of buildings or other structures and of land are hereby classified and combined into the use groups listed below. A lower number of a use group indicates a more restricted use group.
Use Group 1: uses first permitted in the R-A District
Use Group 2: uses first permitted in the R-E District
Use Group 3: uses first permitted in the R-1 District
Use Group 4: uses first permitted in the R-2 District
Use Group 5: uses first permitted in the R-3 District
Use Group 6: uses first permitted in the R-4 District
Use Group 7: uses first permitted in the NC District
Use Group 8: uses first permitted in the HC District
Use Group 9: uses first permitted in the C-1 District
Use Group 10: uses first permitted in the C-2 District
Use Group 11: uses first permitted in the M-1 District
Use Group 12: uses first permitted in the M-2 District
Use Group 13: uses first permitted in the PUD District
Use Group 14: uses first permitted in the M-3 District
Unless otherwise provided:
A. 
When a use is first included in any use group, such use shall be interpreted as being excluded from any use group with a lower number.
B. 
A use which is not listed in any zoning district shall be interpreted as being excluded from all use groups until this chapter has been amended listing such use as a permitted use in the appropriate district.