Fill out the intake form and have your login credentials sent directly to your inbox. Use our self-service options on this website to pay your taxes or make a phone or video appointment at your convenience.PLEASE READ BEFORE FILLING OUT ON-LINE FORMS. Adobe Reader XI is required to be able to save a filled out copy of your filing for your records. Help fill out forms programs and help in Fairfax, va. Search 63 social services programs to assist you. The I-20 form is valid for one year only (non-extendable). Eligible students must be in grades 9-12. Form completion is usually 3-5 business days. We receive a large number of form request each week.