2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)

11B-407.2.1.5 Signals.

Call buttons shall have visible signals that will activate when each call is registered and will extinguish when each call is answered. Call buttons shall be internally illuminated with a white light over the entire surface of the button.

[2010 ADA Standards] 407.2.1.5 Signals. Call buttons shall have visible signals to indicate when each call is registered and when each call is answered.

Exceptions:

1. Reserved.
2. Reserved.

[2010 ADA Standards] 2. Existing elevators shall not be required to comply with 407.2.1.5.