Example: Subcontractor's invoice = $10,000 joint checks for $2,000 and $3,000

In Distribution, enter first line as normal (commitment, job, cost code, amount, retainage) - $10,000 gross / $1,000 retainage.

Second line: (commitment, job, cost code) enter negative amount of the first joint check with zero retainage - <$2,000> gross / $0 retainage.
Third line: (commitment, job, cost code) enter positive amount of the joint check with zero retainage and add joint check payee to this line item - $2,000 gross / zero retainage (click Joint button to add Joint Check Payee).

Repeat for next joint check:
Fourth line: (commitment, job, cost code) enter negative amount of the next joint check with zero retainage - <$3,000> gross / $0 retainage.
Third line:(commitment, job, cost code) enter positive amount of the joint check with zero retainage and add joint check payee to this line item - $3,000 gross / zero retainage (click Joint button to add Joint Check Payee).

Result:
Net check to Sub: $4,000 ($1,000 retention)
Joint check #1: $2,000
Joint check #2: $3,000