California Code, Penal Code - PEN § 1203.47

(a) A person who was found to be a person described in Section 602 of the Welfare and Institutions Code by reason of the commission of an offense described in subdivision (b) of Section 647 or in former Section 653.22 may, upon reaching 18 years of age, petition the court to have their record sealed, as provided in Section 781 of the Welfare and Institutions Code, except that, as pertaining to any records regarding the commission of an offense described in subdivision (b) of Section 647 or in former Section 653.22, it shall not be a requirement in granting the petition for the person to show that they have not been convicted of a felony or of any misdemeanor involving moral turpitude, or that rehabilitation has been attained to the satisfaction of the court.  Upon granting the petition, all records relating to the violation or violations of subdivision (b) of Section 647 or of former Section 653.22, or both, shall be sealed pursuant to Section 781 of the Welfare and Institutions Code.

(b) The relief provided by this section does not apply to a person adjudicated pursuant to subdivision (b) of Section 647who paid money or any other valuable thing, or attempted to pay money or any other valuable thing, to any person for the purpose of prostitution as defined in subdivision (b) of Section 647.

(c) This section applies to adjudications that occurred before, as well as those that occur after, the effective date of this section.

(d) A petition granted pursuant to this section does not authorize the sealing of any part of a person's record that is unrelated to a violation of subdivision (b) of Section 647.