The Internal Revenue Service has announced that the annual modernized e-file (MeF) systems maintenance window will take place Memorial Day weekend. All services except "SendSubmissions" will not be available for MeF Production and Testing Systems on Sunday, May 29, 2022, from 12:01 am. until 3:00 pm. Eastern time.
During this maintenance period, MeF will accept submissions but will not generate acknowledgements or process any state services such as Get Submissions, Send Acknowledgements or Send Receipts.