First check what you entered ... then if it is wrong the IRS will mail you a notice of the failure to pay and you can pay the bill sent by either mailing in a check or going online ... read the instructions sent.
How do I review the method I chose
to pay my federal income tax with, after filing with TurboTax Online?
You
can verify the tax payment method you chose on the Electronic
Filing Instructions for your 2018 Federal Tax Return page, next to
Balance Due/Refund. To see the page, follow these instructions:
1. Open your return if it’s not already open.
2. On the [Your name], your 2018 federal return was
accepted! screen, scroll down and select Add
a State (don’t worry, we’re not adding a state) to access
your tax forms and worksheets.
3. On the left side select Tax
Tools then Print Center.
4. On the TurboTax Print Center screen,
select Print, save or preview this year’s return.
5. On the next TurboTax Print Center screen,
select 2018 federal returns and Include
government and TurboTax worksheets (optional) then
select View or print forms.
6. The information will be on the first page, Electronic
Filing Instructions for your 2018 Federal Tax Return next to
Balance Due/Refund.
