2022 California Standards for Accessible Design Guide (effective January 1, 2023)

11B-809.5.3 Interconnection.

The same visible alarm appliances shall be permitted to provide notification of residential dwelling unit smoke detection, building fire alarm activation, and carbon monoxide detection.

[2010 ADA Standards] 809.5.3 Interconnection. The same visible alarm appliances shall be permitted to provide notification of residential dwelling unit smoke detection and building fire alarm activation.