G.R. No. 195649. April 16, 2013

FACTS:

Respondent Arnado is a natural born Filipino citizen however through naturalization he became a US citizen. In 2008, Arnado applied for repatriation under Republic Act (R.A.) No. 9225 and took the Oath of Allegiance to the Republic of the Philippines twice. Approval of his Citizenship Retention and Re-acquisition was issued in his favor. Arnado filed his Certificate of Candidacy for Mayor of Kauswagan, Lanao del Norte. 

Balua (Balua), another mayoralty candidate, filed a petition to disqualify Arnado and/or to cancel his certificate of candidacy for municipal mayor of Kauswagan, Lanao del Norte. Balua presented a travel record that Arnado has been using his US Passport. The record presents that Arnado after renouncing his foreign citizenship, continued to use his US passport to travel in and out of the country before filing his certificate of candidacy on 30 November 2009.