I In the case of orient patriot riwu kore, the elected regent of sabu raijua regency in the 2020 regional election (pilkada), it was proven that he held united states citizenship. the issues examined include: how orient\\\'s citizenship status is viewed under law number 12 of 2006 on citizenship, and what the legal implications of that status are following constitutional court decision number 135/php.bup-xix/2021. this study uses a normative juridical method with a descriptive-analytical approach. the findings indicate that orient automatically lost his indonesian citizenship in accordance with article 23 letters a, b, and h of law no. 12 of 2006, due to holding a foreign passport and not rejecting his foreign citizenship status. the constitutional court annulled his election because he did not meet the requirement of being an indonesian citizen, which is mandatory for regional head candidates. these findings highlight the importance of strict administrative oversight in the candidacy process and the urgent need to harmonize technical regulations governing regional elections to prevent similar cases from recurring.