you either didn't include the k-1/3 in your original return in which case you amend by adding them (depending on k-3 source income there may be nothing to report) or you got a revise k-1/3 then you change the numbers in Turbotax - you don't submit the actual forms
Turbotax info on amending online returns
- https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-2021-return/L1gEU4G3X_U...
