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.