Internal Revenue Service United States Department of the Treasury
Level Basic Advanced Military International

Important Changes This Year

Payments and Refunds

Due Date of Return

The due date for filing a 2018 return is Monday, April 15, 2019 for most filers. Residents of Maine and Massachusetts have until April 17, 2019, to file Form 1040, because April 15, 2019, is Patriot's Day and April 16, 2019, is Emancipation Day.

Calendar with April 15, 2019 circled.