Affordable Care Act (ACA) Information Returns (AIR) Production and ACA Assurance Testing (AATS) Web Services Description Language (WSDL) Packages for Filing Season 2027/Tax Year 2026 are Available

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QuickAlerts for Electronic ACA Information Returns September 08, 2026 Subject:  Affordable Care Act (ACA) Information Returns (AIR) Production and ACA Assurance Testing System (AATS) Web Services Description Language (WSDL) Packages for Filing Season 2027/Tax Year 2026 are Available The WSDL packages for AIR Production and AATS for Filing Season 2027/Tax Year 2026 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.  Back to Top Thank you for subscribing to QuickAlerts for Electronic ACA Information Returns, an IRS e-mail service. If you know someone who might want to subscribe to this mailing list, please forward this message to them so they can subscribe. This message was distributed automatically. Please Do Not Reply To This Message. e-file Resources QuickAlerts Library QuickAlerts Article QuickAlerts Brochure e-file for Tax Pros Software Developers IRS.gov Refund Information Other Useful Links Tax Professionals Forms and Instructions Partners & Stakeholders IRS Training and Communication Tools e-Services Disaster Relief Internal Revenue Bulletins

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