how to modify payables invoice matching logic, to create additional invoice distrbutions lines?

 how to modify payables invoice matching logic, to create additional invoice distrbutions lines?we wants to modify Payables invoice matching to PO logic as follows :

Defaut :

1) invoice match to po

2) system creates invoice distribution with po charge or accrual account

New requirements:

1) invoice match to po

2) system creates invoice distribution with po charge or accrual account

3) Additional invoice distribution lines are created

 

Q: please provides steps to fulfill the above requirements.