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You will have to wait until January to efile anything. The reports I saw said November 17th, but I believe it stopped on the 16th. The IRS website says you should be able to file up until 10PM today (your timezone).
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Should be able to efile until midnight Eastern.
https://accountants-community.intuit.com/articles/1609379-form-114-validation-failure-601
Do you have form 114?
