Article 815
ARTICLE 815. When a Filipino is in a foreign country, he is authorized to make a will in any of the forms established by the law of the country in which he may be. Such will may be probated in the Philippines.
Article 816
ARTICLE 816. The will of an alien who is abroad produces effect in the Philippines if made with the formalities prescribed by the law of the place in which he resides, or according to the formalities observed in his country, or in conformity with those which this Code prescribes.
Article 818
ARTICLE 818. Two or more persons cannot make a will jointly, or in the same instrument, either for their reciprocal benefit or for the benefit of a third person.
Article 819
ARTICLE 819. Wills, prohibited by the preceding article, executed by Filipinos in a foreign country shall not be valid in the Philippines, even though authorized by the laws of the country where they may have been executed.
Article 829
ARTICLE 829. A revocation done outside the Philippines, by a person who does not have his domicile in this country, is valid when it is done according to the law of the place where the will was made, or according to the law of the place in which the testator had his domicile at the time; and if the revocation takes place in this country, when it is in accordance with the provisions of this Code.
Article 1039
ARTICLE 1039. Capacity to succeed is governed by the law of the nation of the decedent.