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

1.1.9 Effective date of this code.

Only those standards approved by the California Building Standards Commission that are effective at the time an application for building permit is submitted shall apply to the plans and specifications for, and to the construction performed under, that permit. For the effective dates of the provisions contained in this code, see the History Note page of this code.