Irs E-File Shutdown And Opening Day 2025. Irs systems continue operating well, and the agency has seen a strong, successful testing season in advance of the 2025 tax season opening. The irs needs to shut down the mef system to prepare for the upcoming filing season.

Irs systems continue operating well, and the agency has seen a strong, successful testing season in advance of the 2025 tax season opening. The irs recently announced the shutdown scheduled for this year, which will occur on saturday, november 30, 2025, at 11:59 p.m.