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ITIN›Acceptance Agents’ Guide for Individual Taxpayer Identification Number

Exhibit G (continued)

0125 Publ 4520 (PDF) · 2026-10-03 edition · updated 2026-10-04 · United States

Question Acceptance Agent (AA) Certifying Acceptance Agent (CAA)
What is the difference in the
procedures for submitting ITIN
application forms?
An AA shall submit to the IRS the
ITIN application forms, or approved
substitute forms, together with a
valid U.S. Federal income tax return
(if applicable), required supporting
documentation and a letter from
the SSA stating that the taxpayer is
not eligible to receive a U.S. Social
Security Number (if applicable).
The CAA shall submit to the IRS the ITIN
application forms, or approved substitute
forms, together with a valid U.S. Federal
income tax return (if applicable), a
Certifcate of Accuracy (Form W-7 (COA))
with a copy of the documentation for
the applicant (primary, secondary or
dependent), except for foreign military
identifcation card, and letter from the
SSA stating that the taxpayer is not
eligible to receive a U.S. Social Security
Number (if applicable). For dependents,
CAAs can only authenticate passports and
birth certifcates.
What are the differences in the
procedures for reviewing and
submitting required documentation
for assignment of an ITIN?
An AA will review documentation to
determine whether it is approved
evidence of identity and foreign status,
before submitting it to IRS along with
the completed Form W-7.
A CAA will verify the identity and foreign
status of the applicant and submit a
Certifcate of Accuracy (Form W-7-COA),
with a copy of the documentation for the
primary and secondary. For dependents,
CAAs canonly authenticate passports
and birth certifcates. Note: CAAs cannot
authenticate foreign military identifcation
cards.
What is the difference between
the procedures of IRS compliance
checks?
The IRS will specify within the
Acceptance Agent Agreement,
the checks to verify the Agent’s
compliance with the Agreement. In
particular the procedures must enable
the IRS to verify that the Acceptance
Agent has adequate procedures
in effect to assist the applicant’s
properly.
The IRS will specify within the CAA
Agreement, the compliance checks on the
Agent’s certifcations. The IRS may rely on
sampling techniques and/or verifcation
with ITIN recipients to assure the
reliability of the Agent’s certifcations. A
CAA must also agree to furnish supporting
documentary evidence to the IRS upon
request. Where the CAA resides out of
the United States, in appropriate cases,
assistance may be requested from the tax
authorities of the country where the Agent
resides.

47 Acceptance Agents Guide

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