CCP 2888     

Art. 2888.  Foreign testament

A written testament subscribed by the testator and made in a foreign country, or in another state, or a territory of the United States, in a form not valid in this state, but valid under the law of the place where made, or under the law of the testator's domicile, may be probated in this state by producing the evidence required under the law of the place where made, or under the law of the testator's domicile, respectively.