The Modernized e-File (MeF) Sunday maintenance build has been extended until 1:00pm Eastern. We are working diligently to complete the work necessary to bring the Production system online.

Please refrain from accessing the MeF Production system to transmit or pick up business/individual tax returns, get acknowledgements, or submit any other service requests. The Assurance Testing System will remain non-operational until 9:00 am Eastern, October 31st.

Please monitor the MeF Status Page for any updates. We will issue a QuickAlert when the system is available. We apologize for any inconvenience and thank you for your cooperation.