1040 - US ELF: Critical and/or ELF Critical Diagnostic - Business activity is required on Screen 4562, unit 1 in the Business folder

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IRS filing deadline update

The IRS MeF system is now processing returns, and the filing deadline has been extended to 11:59 PM on Wednesday, April 18, 2018. For the latest details, see UltraTax CS alerts and notices.


Typically, this diagnostic is generated due to one of the following situations.

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