The provisions of this chapter shall apply where a change of occupancy occurs, as defined in Section 202.
A change of occupancy or a change of occupancy within a space where there is a different fire protection system threshold requirement in Chapter 9 of the International Building Code shall not be made to any structure without the approval of the code official. A certificate of occupancy shall be issued where it has been determined that the requirements for the change of occupancy have been met.
Any work undertaken in connection with a change in use that does not involve a change of occupancy classification or a change to another group within an occupancy classification shall conform to the applicable requirements for the work as classified in Chapter 5 and to the requirements of Sections 1002 through 1011.
Exception: As modified in Section 1205 for historic buildings.
Where the occupancy classification of a building changes, the provisions of Sections 1002 through 1012 shall apply. This includes a change of occupancy classification and a change to another group within an occupancy classification.
Where the occupancy classification or group of a portion of an existing building is changed, Section 1012 shall apply.
A certificate of occupancy shall be issued where a change of occupancy occurs that results in a different occupancy classification as determined by the International Building Code.