I know that the requirements should be simple but for those who want to get a 100-percent approval rate, then bring all these documents on the day of your appointment: The Basic Requirements are: 1. Birth Certificate, issued by Philippine Statistics Authority (PSA), formerly known as National Statistics Office (NSO), also known as the Census. For more info, visit http://www.census.gov.ph/ See below the reminders for birth certificates. 2. Marriage Certificate, issued by Philippine Statistics Authority (PSA), formerly known as National Statistics Office (NSO), also known as the Census. (If applicable only.) 3. One (1) Valid Identification Card, like: SSS or GSIS UMID Driver License PRC ID School ID or Alumni ID Voters ID 4. NBI Clearance, old or newly issued, for local or travel abroad. 5. Other Supporting Documents, like: If you're an employee, your BIR ITR Form 2316 or SSS E-1 Form If you're a student, your Certificate of Registrat