A Filipino citizen may lose his citizenship in any of the following ways and/or events:(1)By naturalization in a foreign country;(2) By express renunciation of citizenship;(3)By subscribing to an oath of allegiance to support the constitution or laws of a foreign country upon attaining twenty-one years of age or more: Provided, however, That a Filipino may not divest himself of Philippine citizenship in any manner while the Republic of the Philippines is at war with any country; (4) By rendering services to, or accepting commission in, the armed forces of a foreign country, and the taking of an oath of allegiance incident thereto, with the consent of the Republic of the Philippines, shall not divest a Filipino of his Philippine citizenship if either of the following circumstances is present; (5) By cancellation of the certificates of naturalization;(6) By having been declared by competent authority, a deserter of the Philippine armed forces in time of war, unless subsequently, a plenary pardon or amnesty has been granted; and (7) In the case of a woman, upon her marriage to a foreigner if, by virtue of the laws in force in her husband's country, she acquires his nationality.Citizenship may be reacquired, even though it is lost, according to the provisions of the law. There are several ways of reacquiring citizenship. It may be reacquired through naturalization, repatriation, or through direct act of law.Repatriation is the recovery of original citizenship. If what was lost was naturalized citizenship, that is what will be reacquired. If natural-born citizenship was lost, then natural-born citizenship will be reacquired.Technically, it is not acquiring citizenship as a person, but it is merely re-taking what was once his.
How citizenship may be reacquired. -- Citizenship may be reacquired:
(1) By naturalization: Provided, That the applicant possess none of the disqualifications prescribed in