Read the statute:
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http://law.onecle.com/california/penal/290.html--------------------------
2) The following persons shall be required to register pursuant to paragraph (1):
(A) Any person who, since July 1, 1944, has been or is hereafter convicted in any court in this state or in any federal or military court of a violation of Section 207 or 209 committed with intent to violate Section 261, 286, 288, 288a, or 289, Section 220, except assault to commit mayhem, Section 243.4, paragraph (1), (2), (3), (4), or (6) of subdivision (a) of Section 261, or paragraph (1) of subdivision (a) of Section 262 involving the use of force or violence for which the person is sentenced to the state prison, Section 264.1, 266, or 266c, subdivision (b) of Section 266h, subdivision (b) of Section 266i, Section 266j, 267, 269, 285, 286, 288, 288a, 288.5, or 289, Section 311.1, subdivision (b), (c), or (d) of Section 311.2, Section 311.3, 311.4, 311.10, 311.11, or 647.6, former Section 647a, subdivision (c) of Section 653f, subdivision 1 or 2 of Section 314, any offense involving lewd or lascivious conduct under Section 272, or any felony violation of Section 288.2; or any statutory predecessor that includes all elements of one of the above-mentioned offenses; or any person who since that date has been or is hereafter convicted of the attempt to commit any of the above-mentioned offenses.
(B) Any person who, since July 1, 1944, has been or hereafter is released, discharged, or paroled from a penal institution where he or she was confined because of the commission or attempted commission of one of the offenses described in subparagraph (A).
(C) Any person who, since July 1, 1944, has been or hereafter is determined to be a mentally disordered sex offender under Article 1 (commencing with Section 6300) of Chapter 2 of Part 2 of Division 6 of the Welfare and Institutions Code or any person who has been found guilty in the guilt phase of a trial for an offense for which registration is required by this section but who has been found not guilty by reason of insanity in the sanity phase of the trial.
(D) (i) Any person who, since July 1, 1944, has been, or is hereafter convicted in any other court, including any state, federal, or military court, of any offense that, if committed or attempted in this state, would have been punishable as one or more of the offenses described in subparagraph (A).
(ii) Any person ordered by any other court, including any state, federal, or military court, to register as a sex offender for any offense, if the court found at the time of conviction or sentencing that the person committed the offense as a result of sexual compulsion or for purposes of sexual gratification.
(iii) Except as provided in clause (iv), any person who would be required to register while residing in the state of conviction for a sex offense committed in that state.
(iv) Clause (iii) shall not apply to a person required to register in the state of conviction if the conviction was for the equivalent of one of the following offenses, and the person is not subject to clause (i):
(I) Indecent exposure, pursuant to Section 314.
(II) Unlawful sexual intercourse, pursuant to Section 261.5.
(III) Incest, pursuant to Section 285.
(IV) Sodomy, pursuant to Section 286, or oral copulation, pursuant to Section 288a, provided that the offender notifies the Department of Justice that the sodomy or oral copulation conviction was for conduct between consenting adults, as described in subparagraph (F) of paragraph (2) of subdivision (a), and the department is able, upon the exercise of reasonable diligence, to verify that fact.
(E) Any person ordered by any court to register pursuant to this section for any offense not included specifically in this section if the court finds at the time of conviction or sentencing that the person committed the offense as a result of sexual compulsion or for purposes of sexual gratification. The court shall state on the record the reasons for its findings and the reasons for requiring registration.
(F) Any person required to register pursuant to any provision of this section, 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.
(G) (i) Notwithstanding any other subdivision, a person who was convicted before January 1, 1976, under subdivision (a) of Section 286, or Section 288a, shall not be required to register pursuant to this section for that conviction if the conviction was for conduct between consenting adults that was decriminalized by Chapter 71 of the Statutes of 1975 or Chapter 1139 of the Statutes of 1976. The Department of Justice shall remove that person from the Sex Offender Registry, and the person is discharged from his or her duty to register pursuant to the following procedure:
(I) The person submits to the Department of Justice official documentary evidence, including court records or police reports, that demonstrate that the person's conviction pursuant to either of those sections was for conduct between consenting adults that was decriminalized; or
(II) The person submits to the department a declaration stating that the person's conviction pursuant to either of those sections was for consensual conduct between adults that has been decriminalized. The declaration shall be confidential and not a public record, and shall include the person's name, address, telephone number, date of birth, and a summary of the circumstances leading to the conviction, including the date of the conviction and county of the occurrence.