# File Form 5472 by Fax | SingleFax

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**$29.99**, guided Form 5472 + pro forma 1120, faxed to the IRS DE fax line. Transmission receipt emailed. Outbound-only (no fax number). Form 7004 extension is linked from this flow.

The guided flow covers Parts I–IX for foreign-owned U.S. disregarded entities, 25% foreign-owned U.S. corporations and foreign corporations engaged in a U.S. trade or business. It asks conditional questions for all shareholders and related parties, indirect ownership, corporate/trust/partnership owners, multiple Forms 5472, consolidated filings, nonmonetary exchanges, customs, section 267A, FDII, covered debt, cost sharing arrangements and stock compensation elections, base erosion amounts and exchange rates. Filing exceptions are explained before any payment.

Each related party gets a separate Form 5472; ownership, transaction and CSA continuation schedules are preserved. Calendar, fiscal, short and 52–53-week periods are guided. Verified pro forma Form 1120 templates cover 2023, 2024 and 2025, plus permitted 2026 short-year use of the 2025 form when the 2026 form is unavailable at the required filing time. Earlier years require their historical IRS revision.

Only foreign-owned U.S. disregarded entities use the dedicated fax route and pro forma Form 1120. Other corporations can prepare and download Form 5472 attachments for their complete corporate income tax return. That return and any separately required Forms 8991, 8993, 8833 or other tax schedules must be prepared and filed separately. The signature belongs on the pro forma Form 1120, not Form 5472.

Browser signing is retained. Customers review the complete signed package before checkout. Sending remains on hold until IRS acceptance of that signature method for the faxed pro forma Form 1120 is confirmed. Payment does not approve or release a filing.

Official instructions: https://www.irs.gov/instructions/i5472

This is not a US residency certificate. If a foreign bank wants a letter that you were a US resident, that request is [Form 8802](https://singlefax.com/file-8802). The certificate, Form 6166, comes later from the IRS.

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