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IRS Form 15109

Fax Form 15109 to the IRS

Ask to defer tax for service in a combat zone, as your CP04 notice explains, at the fax number the form itself gives.

IRS fax number for Form 15109

To

Form 15109, Request for Tax Deferment

Fax

+1 855 233 8562

$4.99 for up to 10 pages. Nothing if it fails.

Send to this number

From the IRS’s Form 15109, Request for Tax Deferment, Rev. 1-2023, last checked Oct 31, 2026.

What the office requires

  • Include your supporting documents

    Section 2 of the form lists them, such as a copy of your military orders.

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