Affordable Care Act (ACA) Information Returns (AIR) Production and ACA Assurance Testing System (AATS) Web Services Description Language (WSDL) Packages for Filing Season 2026/Tax Year 2025 are Available--Corrected Link

Internal Revenue Service (IRS) sent this bulletin at 11/05/2025 03:54 PM EST

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QuickAlerts for Electronic ACA Information Returns

November 5, 2025

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Subject: Affordable Care Act (ACA) Information Returns (AIR) Production and ACA Assurance Testing System (AATS) Web Services Description Language (WSDL) Packages for Filing Season 2026/Tax Year 2025 are Available--Corrected Link

The QuickAlerts Bulleting which was sent yesterday had an outdated link to the Instructions for accessing the SOR Mailbox. We've corrected that link.

The WSDL packages for AIR Production and AATS for Filing Season 2026/Tax Year 2025 are available through your e-Services mailbox. The Secure Object Repository (SOR) is where you can retrieve the WSDL packages. The packages are available for 60 days after they are posted to the SOR.

Here are the Instructions for accessing the SOR Mailbox.

You may access the login page, register for e-services, reset your password, and make changes to your existing account on e-Services Online Tools for Tax Professionals.

The WSDL packages are to be used only for the Application to Application (A2A) channel and are not to be used for the User Interface (UI) channel.

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