(Note the "Expected" ) AFTER 27 February....Don't bother until Mid-March at the very earliest. (I'm serious about that too. late April or May would be safer to start the Amend process).
And don't forget that you will be required to print the forms and mail them in yourself when you are done.
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https://ttlc.intuit.com/community/amending/help/how-to-amend-change-or-correct-a-return-you-already-...
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*