Cal. Bus. & Prof. Code § 5096
(c) An individual who qualifies for the practice privilege under this section may perform the following services only through a firm of certified public accountants that has obtained a registration from the board pursuant to Section 5096.12:
(d) An individual who holds a practice privilege under this article, and is exercising the practice privilege in California:
(6) Shall cease exercising the practice privilege in this state if a regulatory agency in a state in which the individual holds a certificate, license, or permit takes disciplinary action resulting in the suspension or revocation, including stayed suspension, stayed revocation, or probation of the individual’s certificate, license, or permit, or takes other disciplinary action against the individual’s certificate, license, or permit that arises from any of the following:
(h)
(1) An individual to whom, within the last seven years immediately preceding the date on which the individual wishes to practice in this state, any of the following criteria apply, shall notify the board, on a form prescribed by the board, and shall not practice public accountancy in this state pursuant to this section until the board provides the individual with written permission to do so: