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 Still Working on Its Backlog of Returns and Correspondence January 13, 2023 IRS adds new downloadable income tax withholding assistant December 18, 2019 IRS updates its “Get Transcript” service for individuals June 14, 2021