Do you have to use annualized income method to calculate on penalty? Turbo Tax will not let me go back to regular method?

[Critter · Accepted solution]

Have you tried deleting the 2210 form?  See the following on how to delete a form, choose the instructions for the version you are using.

Here's how to delete forms in TurboTax Online:

1.     Open your return, if it's not already open.

2.     In the lower left click on Tax Tools.

3.     Select   Delete a form.

4.     Click Delete next to the form or schedule and follow the instructions to remove the form/schedule.