656. Whenever on the trial of an accused person it appears that upon a criminal prosecution under the laws of the United States, or of another state or territory of the United States based upon the act or omission in respect to which he or she is on trial, he or she has been acquitted or convicted, it is a sufficient defense.
656.5. Any person convicted of a crime based upon an act or omission for which he or she has been acquitted or convicted in another country shall be entitled to credit for any actual time served in custody in a penal institution in that country for the crime, and for any additional time credits that would have actually been awarded had the person been incarcerated in California.
656.6. No international treaties or laws shall be violated to secure the return of a person who has been convicted in another country of a crime committed in California in order to prosecute the person in California.