CA Penal Code Section 803.6

(a)

If more than one time period described in this chapter applies, the time for commencing an action shall be governed by that period that expires the latest in time.

(b)

Any change in the time period for the commencement of prosecution described in this chapter applies to any crime if prosecution for the crime was not barred on the effective date of the change by the statute of limitations in effect immediately prior to the effective date of the change.

(c)

This section is declaratory of existing law.