Tips for USCIS Cover Letter The letter should generally be brief (one page) and to the point. Clearly and concisely state what the letter is regarding. Only discuss what is necessary to achieve the letter's purpose. Proofread the letter carefully to avoid mistakes.
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.
Follow these simple steps to check your case status with your USCIS receipt number: Visit the USCIS Case Status Page. Go to the Check Your Case Status page on USCIS. Enter your USCIS receipt number. Type the 13-character receipt number into the provided box (without dashes). Review Your Case Status.