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State of Arizona
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1040 MeF Production Shutdown/Cutover Schedule

To ensure that all Form 1040 tax returns e-filed through the Modernized e-File (MeF) system are processed timely, this year’s1040 MeF Production Shutdown/Cutover and acknowledgment retrieval schedule has been established. It is imperative that everyone adhere to the schedule shown below.

Shutdown begins on Wednesday, November 30, 2016, at 11:59 a.m. EST in order to prepare the system for the upcoming Tax Year 2016 Filing Season.

For more information on MeF Production ShutDown/Cutover Schedule please visit IRS.Gov

Routine Scheduled Maintenance : AZ MeF will be unavailable from Saturday 6:00PM to Monday 12AM (MST).

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