Form W-7 Changes in 2026: What Is New This Year

What Is the Current Form W-7 Revision in 2026?

The IRS accepts the October 2024 revision of Form W-7 (and any later revision the IRS releases). The revision date is printed in the top-right corner of the first page. Using an older revision is the most common cause of automatic rejection for applicants who downloaded the form years earlier.

For per-line guidance using the current revision, see the W-7 form instructions.

What Reason Code Changes Apply in 2026?

Line 6 reason codes (a) through (h) remain unchanged in scope, but the IRS now enforces stricter document matching:

• Code (a) Treaty benefit. Must attach the treaty article reference and supporting documentation.
• Code (b) Filing US return. Federal Form 1040 or 1040-NR must be physically attached.
• Code (c) Resident filing US return. Must show substantial presence calculation when applicable.
• Code (d) Dependent. Must include proof of relationship and either US residency or eligibility under a tax treaty.
• Code (h) Other. Now requires a written exception statement identifying which IRS exception (1-5) applies.

What Are the 2026 Document Requirements?

• Originals or issuer-certified copies only. Notarized photocopies are not accepted.
• Passport remains preferred. The only document that establishes both foreign status and identity alone.
• Non-English documents require translation. Must be IRS-recognized.
• Documents must be valid as of IRS receipt. Expired passports cause rejection.
• CAA-certified copies accepted. A Certifying Acceptance Agent can verify originals and submit certified copies in place of the originals.

How Did Address Formatting Change in 2026?

Foreign address fields on Form W-7 must now include:

• Street address (no PO boxes for primary address).
• City and province/state.
• Country name (full, not abbreviated).
• Postal code in the format used in the home country.
• US address (if applicable) on a separate line.

Has the W-7 Processing Time Changed in 2026?

IRS processing windows are unchanged: 7 to 11 weeks year-round and 9 to 13+ weeks during the January-April peak. Foreign applicants should add 1 to 3 weeks for international mail transit each way. CAA-prepared applications skip mail transit on the front end because the CAA submits directly.

What Should Applicants Do Differently in 2026?

• Download a fresh copy of Form W-7 from IRS.gov before each submission.
• Verify the revision date in the top-right corner matches October 2024 or later.
• Attach a written exception statement when using reason code (h).
• Use a CAA for document verification to skip mailing originals.
• For non-English documents, secure IRS-recognized translations before submission.