2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)
11B-409.2 Call buttons.
Call buttons shall be ¾ inch (19.1 mm) minimum in the smallest dimension and shall comply with Section 11B-309.
Call buttons shall be ¾ inch (19.1 mm) minimum in the smallest dimension and shall comply with Section 11B-309.
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