These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. The court has placed the most commonly used forms on line as a resource.Please be advised that the forms detailed below are intended to be a guide. For forms I-864, I-864A or I-864EZ, select Affidavit of Support Forms, to download these USCIS forms. Search all USCIS forms. File your form online for a more convenient and secure experience. Need assistance with a visa at the US Embassy? Our navigator will guide you to information that you need, and help you ask us for assistance as well. Customers applying for a UK Visa from the USA may visit one of over 130 USCIS Application Support Centers to provide their biometric information. Below, you can find blank forms to print and online programs that help you create the forms you need.