Known issues and solutions are listed by tax year for the IRIS Taxpayer Portal, IRIS application to application (A2A) and IRIS A2A Assurance Testing System (ATS).
IRIS taxpayer portal
- Tax year 2025 known issues and solutions taxpayer portal XLSX (updated May 19, 2026)
- Tax year 2024 known issues and solutions taxpayer portal XLSX (updated March 17, 2025)
- Tax year 2023 known issues and solutions taxpayer portal XLSX (updated Nov. 13, 2025)
IRIS A2A
- Tax year 2025 known issues and solutions IRIS A2A XLSX (updated May 19, 2026)
- Tax year 2024 known issues and solutions IRIS A2A XLSX (updated Feb. 18, 2025)
- Tax year 2023 known issues and solutions IRIS A2A XLSX (updated April 24, 2024)
IRIS A2A ATS
- Tax year 2025 known issues and solutions IRIS A2A ATS XLSX (updated March 3, 2026)
- Tax year 2024 known issues and solutions IRIS A2A ATS XLSX (updated Nov. 4, 2025)
- Tax year 2023 known issues and solutions IRIS A2A ATS XLSX (updated Sept. 23, 2024)
Ayude de IRIS
Obtenga asistencia con IRIS:
Mesa de ayuda
- Llame de lunes a viernes, de 7:30 a. m. a 7:00 p. m., hora del Este.
- Número gratuito: 866-937-4130
- Internacional: 470-769-5100
- TTY/TDD: 866-937-4130. Utilice el servicio de retransmisión de su preferencia.
Reuniones del grupo de trabajo
Consulte las reuniones y notas (en inglés) dirigidas a desarrolladores A2A, transmisores y agencias estatales.