January 2026 release information

Important deadline information

The following deadlines may be different for the current tax year due to one-off extensions granted by the tax authority. These deadlines will not be updated in Calendar Classic at this time:
Jurisdiction code
Potential taxpayers or event template name
Calendar deadline
Special extension deadline
Information
USA
Taxpayers impacted by severe storms, straight-line winds, flooding, landslides, and mudslides in the State of Washington
December 9, 2025 - April 30, 2026
May 1, 2026

Updated lookup lists

We updated the lookup lists to include 2026 dates for the following Event Templates:
Jurisdiction
Update
ARG
ARG Impuesto a la Renta - Anual Declaración - Lookup List
ARG Impuesto a la Renta - Anual Pago - Lookup List
ARG IVA Régimen Agrícola - Mensual Declaración - Lookup List
ARG IVA Régimen Agrícola - Mensual Pago - Lookup List
ARG IVA Régimen General - Mensual Declaración - Lookup List
ARG IVA Régimen General - Mensual Pago - Lookup List

Current content priorities

The following Tax Law Updates are current content priorities:
Jurisdiction
Update
France
Gradual phasing out of the Company Value Added Contribution (CVAE) until its final abolition by 2030.
New Jersey
Proposed a new simplified standardized return to replace the CBT-100 and CBT-100U.