September 2024 release 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 the terrorist attacks in Israel
October 7, 2023 - October 6, 2024
October 7, 2024
USA
Taxpayers impacted by the terrorist attacks in Iowa
April 26, 2024 - October 14, 2024
October 15, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes, flooding,  landslides, and mudslides in West Virginia
April 2, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes, landslides, and mudslides in Kentucky
April 2, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes, and flooding in Mississippi
April 8, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in Texas
April 26, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in Florida
May 10, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in Oklahoma
May 19, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in Iowa
May 20, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in Arkansas
May 24, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in southern New Mexico
June 17, 2024 - October 31, 2024
November 1, 2024
USA
Taxpayers impacted by Hurricane Beryl in Texas
July 5, 2024 - February 2, 2025
February 3, 2025
USA
Taxpayers impacted by severe storms, straight-line winds, tornadoes and flooding in Missouri
May 19, 2024 - February 2, 2025
February 3, 2025
USA
Taxpayers impacted by Hurricane Debby in Florida, Georgia, South and North Carolina
August 1, 2024 - February 2, 2025
February 3, 2025
USA
Taxpayers impacted by severe storms and flooding in Minnesota
June 16, 2024 - February 2, 2025
February 3, 2025
USA
Taxpayers impacted by Tropical Depression Debby in Vermont
August 8, 2024 - February 2, 2025
February 3, 2025

Upcoming obsolete event templates

The following event templates will soon be marked Obsolete. You may need to reschedule the event.
Jurisdiction code
Obsolete
Replacement
Effective date
KS
KS annual report (through December 31, 2023)
KS Biennial report (from January 1, 2024)
Tax year 2023
KS
KS NP (through December 31, 2023)
KS NP Biennial report (from January 1, 2024)
Tax year 2023

Updated due date logic

Jurisdiction code
Form number
Event template name
Change
IL
IL 990-T
IL 990-T - Trust - all others
Updated extension period from 7 to 6 months.
ITA
N/A
  • ITA IRP and IRES/CT consolidated tax return (Form CNM) for fiscal years ending 31 December.
  • ITA IRAP and IRES/CT consolidated tax return (Form CNM) for fiscal years not ending 31 December.
Updated due date from 11/30 to 10/28 - effective tax year 2024 due date is the last day of the 10th month following tax year end.
ITA
N/A
  • ITA IRAP and IRES/CT tax return for fiscal years ending 31 December.
  • ITA IRAP and RES/CT tax return for fiscal years not ending 31 December.
Updated due date from 10/15 to 10/31. Effective tax year 2023 due date for calendar year filers is October 31.

Current content priorities

The following Tax Law updates are current content priorities:
Colorado:
Change of the C-Corporation income tax return deadline from April 15 (or the 15th day of the fourth month) to May 15 (or the 15th day of the fifth month) - effective for tax years beginning on and after January 1, 2024.
France:
Gradual phasing out of the Company Value Added Contribution (CVAE) until its final abolition by 2027.
New Jersey:
Proposed a new simplified standardized return to replace the CBT-100 and CBT-100U - expected to be effective from tax year 2024.

Related Content