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2025

January 31

  • Quarterly Form 306 - Income Tax Withholding Return and income tax withheld are due for 4th quarter of 2024.
  • Annual Form 306 - Income Tax Withholding Return and income tax withheld are due for 2024 calendar year.
  • Annual Form 307 - Transmittal of Wage and Tax return and copies of Federal Form W-2 (and 1099 if applicable) for 2024 calendar year are due.

March 31

  • Form NDW-R - Reciprocity Exemption from Withholding form for qualifying Minnesota and Montana residents working in North Dakota is due for the 2025 calendar year.

April 30

  • Quarterly Form 306 - Income Tax Withholding Return and income tax withheld are due for 1st quarter of 2025.

July 31

  • Quarterly Form 306 - Income Tax Withholding Return and income tax withheld are due for 2nd quarter of 2025.

October 31

  • Quarterly Form 306 - Income Tax Withholding Return and income tax withheld are due for 2nd quarter of 2025.