🛎correct! Prior year shutdown detail below

The IRS MeF is used to process e-files for all major entities as well as most states. It shuts down once a year for maintenance. The shutdown dates are:

• Individual: November 16, 2019 - January 27, 2020
• Business: December 26, 2019 - January 7, 2020

https://cs.thomsonreuters.com/ua/ut/2019_cs_us_en/utwapp/kb/elf-all-mef-entities-shutdown-dates.htm