Use this form to request a fee waiver (or submit a written request) for certain immigration forms and services based on a demonstrated inability to pay. Use the USCIS online tools and resources to manage your case.USCIS Contact Center. Our website gives you several ways to track your case and get answers to your immigration questions. Do not submit Form I290B directly to the Administrative Appeals Office (AAO). Instead, file all appeals and motions according to this chart. O A request for a fee waiver should be made on Form I-912. After creating files for each form, a USCIS Lockbox sends them to a USCIS service center or field office for processing. When to contact USCIS Lockbox support. The chart below shows which USCIS service centers currently process each type of form.