2025 Printable Template
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Form last updated: 03/2024. Please verify this is the current version before use.
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How to fill out a 12661 online?
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Step 01
Access the form through the IRS website or a PDF editor.
Step 02
Fill in your personal information accurately.
Step 03
Provide details regarding the disputed issue.
Step 04
Review all entries for completeness and accuracy.
Step 05
Retain any supporting documents for your records.
Step 06
Save the completed form in PDF format.
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