Click did not receive notice by mail. Input all of the requested information. Select requested by applicant/petitioner. Finally you will get a confirmation page with a case number. Please copy that in case you need to follow-up with a call to USCIS which can be done at this number 1-800-375-5283.
Start with an introduction that clearly states your purpose and why you're writing the letter. In the middle section, provide a detailed explanation of your request or concern. Use supporting evidence to make your case as strong as possible. Finally, end your letter with a polite but firm request for action.
Mark the envelope and the cover letter with the type of submission. For example, Original Submission, Application to Register Permanent Residence or Adjust Status (Form I-485). Mark the envelope and the cover letter with the form number.
All forms and supporting documents submitted must be single-sided, standard 8½ x 11 letter-size pages.
You may send your forms through USPS, FedEx, DHL, or UPS. We encourage you to save a copy of your payment, along with any tracking number provided by the courier, for your records and so you can verify the status of its delivery.
You must return the USCIS-issued document with the incorrect information. Generally, you also need to submit either a statement explaining the error or supporting documentation to show what the correct information should be, or both.
If you prefer to provide a copy of a complete prior application, petition, or request in support of a new filing, be sure to clearly mark the form as a “COPY” at the top of each page to ensure it's processed as intended. All forms and supporting documents submitted must be single-sided, 8½ x 11 inch letter-size pages.
The application form can be printed in both ways. Both one-side printing and double side printing can be used.