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 Studio Room Rental for Photography Sessions Is Subject to Missouri Sales Tax April 10, 2019 Treasury, IRS extend filing and payment deadline to May 17, 2021 March 18, 2021 Here’s why taxpayers should have an IRS online account July 26, 2021