Complete the application on the Certificate of Residency website. 2. Two (2) forms of proof of address must accompany your application.Permanent resident aliens must submit a copy of the front and back of a valid permanent resident alien card that was issued to you at least one (1) year ago. 5. Such person shall, upon his registration for each college year, file with the college such Certificate of Residence issued not earlier than two months prior. Suffolk County Community College welcomes permanent residents to apply for admission. The determination of residency is based on the facts and circumstances of your own situation. How do I get a Certificate of Residence? Fill out the Certificate of Residence form for: Nassau County ". Suffolk University has four residence halls and University housing that are furnished and feature phone, cable, and internet connections.