Section 18Sec./Art. 18

Cancellation of naturalization certificate issued. - Upon motion made in the proper proceedings by the Solicitor-General or his representative, or by the proper provincial fiscal, the competent judge may cancel the naturalization certificate issued and its registration in the Civil Registry:

a. If it is shown that said.naturalization certificate who obtained-fraudulently or illegally.

b. If the person naturalized shall,within the five years next following the issuance of said naturalization certificate, return to Iris native country or to some foreign country and establish his permanent residence there: Provided, That the fact of the person naturalized remaining for more than one year in his native country or the country of his former nationality, or two years in any other foreign country, shall be considered as prima facie evidence of his intention of taking up his permanent residence in the same;

c. If the petition was made on an invalid declaration of intention;

d. If it is shown-that the minor children of the person naturalized failed to graduate from a public or private high schools recognized by the Office of Private Education of the Philippines, where Philippine history, government and civics are taught as part of the school curriculum, through the fault of their parents either by neglecting to support them or by transferring them to another school or schools. -A certified copy of the decree cancelling the naturalization certificate shall be forwarded by the clerk of the Court to the Department of the Interior and the Bureau of Justice.

e. This shown-that the naturalized citizen has allowed himself to be used as a dummy in violation of the Constitutional or legal provision requiring Philippine citizenship as a requisite for the exercise, use or enjoyment of a right, franchise or privilege.