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 New 2023 IRS Electronic Filing Requirements January 24, 2024 Tax simplification for private foundations February 4, 2020 IRS updates its “Get Transcript” service for individuals June 14, 2021