I now see Screen 37 in the 1065 for the voucher at the end of that first Screen.

For S-Corp Screen 48 > Tax Computation > last set of entries.

For 1040 from K-1 1065 > Line 15 > Last entry for Credit from passthrough...

For 1040 from K-1 1120S > Line 13 > Last entry for Credit from passthrough...