Get your taxes done using TurboTax

ReginaM · ‎February 25, 2020

It should not affect your return at all, it is there for comparison purposes and things like penalty determinations.

For historical reasons though, you may want to update (not file) your 2018 data that way you have it available for your records. The only place that you will need to pay attention to is when you are trying to Electronically File your return, you will be asked for your 2018 AGI for verification reasons.

This can be found on line 7 on of your 2018 return:

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