Filing dates and reminders for information returns

The following table contains the tax year 2024 filing dates and other details associated with processing information returns in ONESOURCE Trust Tax. For complete details about preparing and processing 1099 DIOBs, see the Form 1099 article or the 1099 Guide in the PDF library.
Date
Event
Thursday, January 9, 2025
You can begin creating 2024 1042-S data files and prior year correction data files for tax years 2020 through 2023.
Monday, January 13, 2025
  • You can begin preparing and submitting your 2024 1099 and 1098 data files.
  • Before your 1099s can be filed with the IRS, you must authorize Thomson Reuters to transmit your data files. The authorization checkbox is on the Filing subtopic in the Information Reporting topic in the
    Setup
    menu.
Wednesday, January 15, 2025
  • Wednesday transmissions to IRS begins for tax year 2020-2023 corrections of 1098, 1099, and 5498 files.
  • You must submit your request to prepare your 1099, 1098 and 5498 correction data files by the end of business each Tuesday if you want them included in the next Wednesday transmission to the IRS.
  • Before your 1099s can be filed with the IRS, you must authorize Thomson Reuters to transmit your 1099 information. The authorization checkbox is on the Filing subtopic in the Information Reporting topic in the
    Setup
    menu.
  • You can begin preparing your 2024 state direct data files.
  • You are responsible for downloading and submitting your state data files that are required to be filed directly with the states. Thomson Reuters does not transmit state direct filings for 1099 data.
Wednesday, January 29, 2025
  • Recommended last day to prepare and submit (2 steps) 1099-NEC (Non-Employee Compensation) data files if you want to file by the IRS filing deadline (January 31, 2025) and not file for an extension with IRS.
  • While data files can be submitted after 1/29/25, Thomson Reuters is recommending this date so that we can ensure all data files are transmitted by the 1/31/25 filing deadline.
Wednesday, February 26, 2025
  • Recommended last day to prepare and submit (2 steps) 1099-NEC (Non-Employee Compensation) data files to IRS if you filed for an extension.
  • While data files can be submitted after 2/26/25, Thomson Reuters is recommending this date so that we can ensure all data files are transmitted by the 2/28/25 filing deadline.
Monday, March 24, 2025
30-day extension to electronically file all 1098s & 1099s (excluding 1099-NEC) is automatically created and filed with the IRS by OTT. Be sure to have your 2024 payers created before this date.
Thursday, March 27, 2025
  • Recommended last day to prepare and submit (2 steps) 1099 and 1098 files if you want to file by the IRS filing deadline (March 31, 2025) and you are not taking advantage of the 30-day extension period.
  • While data files can be submitted after 3/27/25, Thomson Reuters is recommending this date so that we can ensure all data files are transmitted by the 3/31/25 filing deadline.
Monday, April 28, 2025
  • Recommended last day to prepare and submit (2 steps) 1099 and 1098 data files if you are taking advantage of the extension to April 30, 2025.
  • While data files can be submitted after 4/28/25, Thomson Reuters is recommending this date so that we can ensure all data files are transmitted by the 4/30/25 filing deadline.
Monday, May 12, 2025
You can begin preparing and submitting your 2024 5498 IRS data files.
Thursday, May 22, 2025
30-day extension to electronically file 5498s is automatically created and filed with the IRS by OTT. Be sure to have your 2024 payer(s) entered before this date.
Thursday, May 29, 2025
  • Recommended last day to prepare and submit (2 steps) 5498 data files if you want to file by the IRS filing deadline (June 2, 2025) and you are not taking advantage of the 30-day extension period.
  • While data files can be submitted after 5/29/25, Thomson Reuters is recommending this date so that we can ensure all data files are transmitted by the 6/2/25 filing deadline.
Monday, June 30, 2025
  • Recommended last day to prepare and submit (2 steps) 5498 data files if you are taking advantage of the 5498 extension period to July 2, 2025.
  • While data files can be submitted after 6/30/25, Thomson Reuters is recommending this date so that we can ensure all data files are transmitted by the 7/2/25 filing deadline.
Wednesday, November 12, 2025
  • Last FIRE transmission to IRS for 2020-2023 correction files. The filing feature for 1099, 1098, and 5498 returns will re-open for correction filings for tax years 2021 through 2023 in January 2026.
  • Last day to create 1042-S data files for calendar year 2025.
Wednesday, November 26, 2025
Last IRIS transmission to IRS for tax year 2024 files. The filing feature for 1099, 1098, and 5498 returns will re-open for correction filing for tax year 2024 in January 2026.