IRS On-Line EIN Service Planned Outage Post author:Frank Carnahan Post published:December 22, 2020 Post category:News 2020-12-22 The IRS on-line EIN service will be unavailable from approximately 5 p.m. Eastern time on Wednesday, Dec 23, 2020, until approximately 7 a.m. Eastern time on Monday, January 4, 2021, due to planned maintenance. You Might Also Like IRS Operations During COVID-19: Mission-critical functions continue March 24, 2020 IRS issues Guidance issued on Economic Impact Payments payments sent to decedents May 6, 2020 IRS Warns Taxpayers Against New Mailing Scam (IR-2023-123) (Jul. 5, 2023) July 5, 2023