The holder of a retired license issued by the board pursuant to Section 5070.1, when lawfully using the title "certified public accountant," the CPA designation, or any other reference that would suggest that the person is licensed by the board on materials such as correspondence, internet websites, business cards, nameplates, or name plaques, shall place the term "retired" immediately after that title, designation, or reference.
Ca. Bus. and Prof. Code § 5058.3