in the desktop version switch to forms mode then go to the Turbotax k-1worksheet.
scroll down to section D1
check any of the following boxes that apply 1) PTP, 2) Aggregated 3)SSTB
enter the 199A/QBI info as shown in box 20z of partnership k-1s (would be 17z for S corp K-1s)
TurboTax does not use the entries in 20Z so they have to be entered in this section
