Republic Act 9225 otherwise known as the Citizenship Retention and Reacquisition Act of 2003 (more popularly known as the Dual Citizenship Law) enables former natural-born Filipinos who have become naturalized citizens of another country to reacquire/retain their Philippine citizenship by taking an oath of allegiance to the Republic of the Philippines before a Philippine Consular Officer.
Upon reacquiring their Philippine citizenship, they shall enjoy full civil, economic and political rights as Filipinos.
Under the principle of derivative citizenship, unmarried children below eighteen (18) years of age, whether legitimate, illegitimate, or adopted, of former Filipino parents who reacquired their Philippine citizenship under this law, may also be deemed Filipino citizens, if they are included in the parent’s application for reacquisition of Philippine citizenship.
However, there is another kind of dual citizenship, which is not covered by the law. This pertains to a dual citizen by birth: A child born in the United States when either parent was still a Filipino citizen is considered to be a dual citizen from birth (if born on or after January 17, 1973).
Dual citizens who wish to apply for a Philippine passport will need to make a separate application and submit the requirements for acquiring Filipino passports.