Cal. Penal Code § 290.007

A person required to register pursuant to any provision of the Act shall register in accordance with the Act, regardless of whether the person’s conviction has been dismissed pursuant to Section 1203.4, unless the person obtains a certificate of rehabilitation and is entitled to relief from registration pursuant to Section 290.5, or is exonerated pursuant to subdivision (e) of Section 3007.05 of the conviction requiring registration and the person is not otherwise required to register.