International Building Code Section 302

International Building Code 302.1

General. Structures or portions of structures shall be
classified with respect to occupancy in one or more of the
groups listed below. A room or space that is intended to be
occupied at different times for different purposes shall comply
with all of the requirements that are applicable to each of the
purposes for which the room or space will be occupied. Structures
with multiple occupancies or uses shall comply with Section
508. Where a structure is proposed for a purpose that is not
specifically provided for in this code, such structure shall be
classified in the group that the occupancy most nearly resembles,
according to the fire safety and relative hazard involved.
1. Assembly (see Section 303): Groups A-1, A-2, A-3,
A-4 and A-5
2. Business (see Section 304): Group B
3. Educational (see Section 305): Group E
4. Factory and Industrial (see Section 306): Groups F-1
and F-2
5. High Hazard (see Section 307): Groups H-1, H-2, H-3,
H-4 and H-5
6. Institutional (see Section 308): Groups I-1, I-2, I-3 and
7. Mercantile (see Section 309): Group M
8. Residential (see Section 310): Groups R-1, R-2, R-3
and R-4
9. Storage (see Section 311): Groups S-1 and S-2
10. Utility and Miscellaneous (see Section 312): GroupU