The Internal Revenue Service will begin accepting and processing 2023 tax returns on Monday, January 29, 2024. The tax deadline to file for those who have balances due is on April 15, 2024. Folks who receive refunds technically have three years to file, so filing by the April deadline is more of a recommendation. Although the IRS will not officially begin accepting and processing tax returns until January 29, people do not need to wait until then to work on their taxes if they’re using software companies or tax professionals.

For example, most software companies accept and hold electronic submissions until the IRS is ready to begin processing.

The Colorado Department of Revenue (CDOR) announced that processing of state income tax filers will begin no later than February 10, 2023, and that people can still file their income tax returns through all methods except the state’s Revenue Online platform. Coloradans can use Revenue Online to file their state income taxes no later than February 22, 2023. 

Last November, Coloradans voted to lower the income tax rate to 4.4%, which, coupled with multiple legislative changes, created a much larger end-of-year programming workload for the Department, resulting in a slight delay.