Form 3949-A: Information Referral

Published 2026.09.10Effective Revision Sep 202650

3949-A · Internal Revenue Service

Attachment

This page provides the official 3949-A form from the Internal Revenue Service. The summary below is quoted from the agency source.

Revision: Sep 2026

Source: Internal Revenue Service (IRS) — Form 3949-A — Internal Revenue Service. Official form page · Official PDF. Quoted material remains the agency’s; this firm page is a reference only.

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