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

11B-407.4.7.1.2 Location.

Raised characters or symbols and Braille designations shall be placed immediately to the left of the control button to which the designations apply.

Exception: Reserved.

[2010 ADA Standards] EXCEPTION: Where space on an existing car operating panel precludes tactile markings to the left of the controls, markings shall be placed as near to the control as possible.