To generate Sch B-2, check the box for "Partnership is electing out of the centralized audit regime under section 6221(b). Complete Schedule B-2" under General > Other Information (Schedule B) > Election Out of the Centralized Partnership Audit Regime.

Details for Part I/IV will be pulled from the data you already entered under Partner Information.

Details for Part II/V for each S Corp must be entered separately in the section "Schedule B-2: If Partner is an S Corporation" under Schedule K-1 > Schedule K-1 Miscellaneous > Partner Schedule K-1 Miscellaneous Information.