8821IRS · Rev. January 2021
Fill 8821 online, auto-filled
Tax Information Authorization
Authorize someone to inspect and/or receive your confidential tax information.
What Filly auto-fills for you
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- Tax ID / EIN
- Phone
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- 2. Pick a client. Every matching field auto-fills from the saved client profile, color-coded by confidence.
- 3. Review, export or sign. Review, then download the filled PDF, print it, or share a no-login link for e-signature.
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