納税フォーム
Form 8329 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 8329 is the official IRS request to extend the filing deadline for Form 1120‑F (U.S. Income Tax Return of a Foreign Corporation). Whether you are a foreign corporation, a partnership, or a trust with U.S. tax obligations, this fillable PDF makes the extension process quick and error‑free.
Our online Formize PDF Filler loads the official IRS document directly in your browser, so you never need to download, print, or use a separate PDF editor. Just click the button, fill the fields, and submit according to the instructions below.
Read on for a step‑by‑step guide, common pitfalls, and where to send your completed extension request.
Any foreign corporation, partnership, or trust that files Form 1120‑F and requires additional time beyond the original deadline must submit Form 8329.
Form 8329 generally grants an automatic 6‑month extension, moving the filing deadline from the original date to the new date indicated on the form.
The IRS does not accept electronic submissions for Form 8329. After completing the fillable PDF, you must print, sign, and mail the form to the address specified in the instructions.
If the extension request is not filed on time, the corporation may be subject to late‑filing penalties and interest on any tax due.
Only if you expect to owe tax. The form itself does not require payment, but any estimated tax due should be sent with the appropriate payment voucher.
No. Formize provides the fillable PDF interface for free; you only pay any mailing or tax preparation fees that may apply.
Yes. The Formize app stores your entries locally in the browser, allowing you to close the tab and reopen the form later without losing data.
The mailing address depends on the location of the corporation’s principal business. Refer to the “Where to File” section on the last page of the PDF for the correct address.
Form 8329 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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