納税フォーム
Form 8918 は、税金に関する情報を関連する税務当局に報告するために使用される文書である納税申告書の 1 つです。納税者の状況や場所によって、連邦税、州税、地方税など、さまざまな種類の納税申告書があります。

Form 8918, titled Material Advisor Disclosure Statement, is required by the Internal Revenue Service (IRS) for any material advisor who assists with a reportable transaction and earns gross income above the statutory threshold. The form helps the IRS monitor potentially abusive tax strategies and ensures transparency.
Our fillable PDF version lets you complete the disclosure quickly, without printing or hand‑writing. The Formize PDF Filler loads directly in your browser, so you can focus on accurate data entry and avoid common filing errors.
Below you’ll find a concise walkthrough, tips for error‑free completion, and answers to the most frequently asked questions.
Any individual or entity acting as a material advisor on a reportable transaction and receiving gross income above the IRS‑defined threshold must file Form 8918.
The IRS currently requires a paper submission. Use the fillable PDF to complete the form, then print and mail it to the address in the instructions.
A reportable transaction is one identified by the IRS as having a high potential for tax avoidance or evasion. Examples include certain partnership flips, listed transactions, and hybrid mismatch arrangements.
A digital signature is acceptable for your own records, but the IRS still expects a handwritten signature on the printed copy before mailing.
Common errors include leaving required fields blank, using an outdated PDF version, and failing to sign the declaration. The fillable form highlights missing data before you can save.
Form 8918 must be filed by the due date (including extensions) of the tax year in which the reportable transaction occurs.
No. Formize provides the fillable PDF free of charge; you only need a modern web browser and internet connection.
The official instructions are included in the PDF you download from the IRS website. You can also view them online at the IRS Forms & Publications page.
Form 8918 は、税金に関する情報を関連する税務当局に報告するために使用される文書である納税申告書の 1 つです。納税者の状況や場所によって、連邦税、州税、地方税など、さまざまな種類の納税申告書があります。
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