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Appeals

Appeal letter mailing guides

Find step-by-step instructions for mailing appeal letters and supporting documents. Use these guides when a form or agency requires physical mail and you want proof that it was sent.

Published Jan 16, 2026 • Updated Feb 18, 2026

Mail my appeal letter

Who these guides are for

  • Benefit or unemployment applicants responding to a decision
  • Insurance members appealing a denial or underpayment
  • Students or families appealing a school or program decision
  • Anyone asked to submit an appeal in writing by mail

What to include in an appeal packet

  • Your full name and contact info
  • Case, claim, or account number
  • Date of the decision you're appealing
  • A short statement explaining why you disagree
  • Supporting documents or evidence (as a single PDF)

How it works with PostalForm

  1. Upload your PDF — combine your appeal letter and attachments into one file
  2. Add addresses — sender and the appeals department or agency
  3. Checkout — we print and mail it via USPS (add Certified Mail if needed)

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Ready to send it?

Upload your appeal letter and we will print and mail it.

Mail my appeal letter
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