Money IRS tax return deadline is Monday. What to know about extensions, refunds and child tax credits. April 15, 2022April 18, 2022Kelly Tyko, USA TODAYComments Off on IRS tax return deadline is Monday. What to know about extensions, refunds and child tax credits. How to file a tax extension? Why is Tax Day on April 18 this year? Also, Child Tax Credit payments and Recovery Rebate Credits may delay tax refunds.