Yes, if you want to get rid of the penalty, completing the Annualized Income section is the way to do it.
In the absence of more information, it is assumed your income was earned evenly throughout the year. The Annualized Income calculation uses your actual income by quarter, so it would be more accurate.
If you don't want t be bothered, it doesn't make your return wrong, you are just paying a small penalty that you should not have to pay.
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