--- title: "How to Resolve IRS Rejection, Missing Document: 8453 Signature Document" description: K1x Knowledge Base --- [Skip to content](https://support.k1x.io/how-to-resolve-irs-rejection-missing-document-8453-signature-document#main-content) [Submit A Support Ticket](https://support.k1x.io/kb-tickets/new?hsLang=en-us) [Client portal](https://support.k1x.io/tickets?hsLang=en-us) [![Group 16](https://support.k1x.io/hs-fs/hubfs/Group%2016.png?width=75&height=75&name=Group%2016.png)](https://support.k1x.io/?hsLang=en-us) - [Knowledge Base](https://support.k1x.io/) Open main navigation Close main navigation - [Knowledge Base](https://support.k1x.io/) - [Submit A Support Ticket](https://support.k1x.io/kb-tickets/new) - [Client portal](https://support.k1x.io/tickets) How can we help? - There are no suggestions because the search field is empty. 1. [K1x Knowledge Base](https://support.k1x.io/?hsLang=en-us) 2. [990 Tracker](https://support.k1x.io/990-tracker?hsLang=en-us) 3. [Troubleshooting - Federal - Rejection Errors - Form 990](https://support.k1x.io/990-tracker?hsLang=en-us#troubleshooting-federal-rejection-errors-form-990) December 8, 2025 # How to Resolve IRS Rejection, Missing Document: 8453 Signature Document ## IRS Rejection Reason Missing Document: If 'SignatureOptionCd' in the Return Header has the value "Binary Attachment 8453 Signature Document", then a binary attachment with description "8453 Signature Document". **IRS Rejection Reason** Missing Document: If 'SignatureOptionCd' in the Return Header has the value "Binary Attachment 8453 Signature Document", then a binary attachment with description "8453 Signature Document" must be present in the return. **RuleNum:** R0000-055-02 **Issue:** The user forgot to attach the 8453 Signature Form. **Resolution:** 1. Navigate to Tax Forms ‚œ­ Review & File Forms ‚œ­ File Forms 2. Locate the form that needs to be resubmitted and unlock then lock it 3. Check the E-File checkbox. 4. Click Save and Next. 5. Click the provided link to download Form 8453-TE. 6. Print and sign the form. 7. Save the signed Form 8453-TE to your local machine. 8. Click the "Add Attachment" button. 9. Fill in the Name field (*do not use special characters*). 10. Click "Choose File" and select the signed Form 8453-TE from your local machine. 11. Click "Add" to upload the form. 12. Navigate to Tab 3: E-File Validation. 13. Click "Run Validation". 14. Navigate to Tab 4: E-File Submission & Status. 15. 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All Rights Reserved. Patented/Patent-pending AI automation technology | The Digital K-1 Exchange and Digital K-1 Filetype. US2022/0405453 | AI-powered engine to extract data for K-1 PDF. US 2021/0082062 | C-TRAC. US 2010/0010849 1 High Street Court, Morristown, NJ 07960