Accounting not generated for interunit prepaid rows

When there is an expense, BIL row and corrs accounting is being generated but there is no accounting generated for UTL rows in case of interunit transactions.

The expense has different GL and PC business Units.

There is a contract established with associated prepaid.

CA BI process leads to creation of zero dollar bills.

Single action invoice leads to creation of UTL rows in project Costing.

When revenue process is run, accounting is generated for BIL row only.

There is no accounting generated for UTL row.

If the transaction has same BU for GL and PC then it does create accounting.