Money IRS extends deadline to register for a stimulus check, giving millions more time to get Economic Impact Payments October 5, 2020October 6, 2020Kelly Tyko, USA TODAYComments Off on IRS extends deadline to register for a stimulus check, giving millions more time to get Economic Impact Payments Still waiting on a stimulus check? The IRS said the new deadline to register for an Economic Impact Payment is Nov. 21, a move from Oct. 15.