Important Dates Important Dates The deadline to file 2022 individual income tax returns, without an extension, is Tuesday, April 18, 2023. We will begin processing individual income tax returns on Wednesday, February 1, 2023. Individuals Most refunds are issued within 3 weeks from the date a return is received by the Department. However, it may take up to 12 weeks to process First-time filers and those who have not filed in five or more years will receive a paper refund check Businesses W-2 and 1099-MISC with non-employee compensation (NEC) income statements are due on or before January 31st of the following year. All other 1099 income statements are due on or before February 28th of the following calendar year.