QuickAlerts - Correction to QuickAlert distributed on October 7, 2026, regarding SchemaVersionNum 5.0.7

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QuickAlerts for Tax Professionals

October 15, 2026

Subject: Correction to QuickAlert distributed on October 7, 2026, regarding SchemaVersionNum 5.0.7

Attention: Software Developers and Information Return Transmitters

This QuickAlert corrects the QuickAlert distributed on October 7, 2026, regarding the required SchemaVersionNum values for IRIS transmissions.

The SchemaVersionNum 5.0.7 requirement applies only to the IRIS Assurance Testing System (ATS) environment. It does not apply to the IRIS Production environment.

No changes are being made to the IRIS Production environment at this time.

The Production environment will continue to use the currently supported SchemaVersionNum values until TY26/PY27 becomes available when the filing season opens in January 2027.

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