After you file

BUT....for future reference....if you had one when you filed 2018 taxes....if you create a new download of your PDF file of your 2018 tax return now (a new one now will contain all forms and worksheets)....It would be located on the "Federal Information Worksheet"

The regular 5 digit PIN:  is right near the very end of that worksheet...on page 4 

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(Note: this is NOT the 6 digit IPPIN which must be reset by the IRS every year.)

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