After you file

You mean the VOUCHER form 1040-V  ... so you can either save a PDF of the return and print one out that is filled in already ...  

 

To access your prior year online tax returns sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/

Scroll down to the bottom of the screen and on the section Your tax returns & documents click on Show.  Click on the Year and Click on Download/print return (PDF)

 

OR  get one off the IRS website and fill it in ...   https://www.irs.gov/forms-pubs/about-form-1040-v

 

OR  just pay the IRS directly online...  https://www.irs.gov/payments