Chapter 4Special Detailed Requirements Based on Use and Occupancy Sections 401 to 402. {As in IBC} Section 403. High-Rise Buildings Sections 404 to 418. {As in IBC} Section 419. Artificial decorative vegetation Sections 420 to 428. {As in IBC} Sections 429 to 431. {Reserved} Section 432. Circuses and Carnivals Section 433. Chesapeake Bay Critical Area Development