How to amend approved B3 into CAD?

How to amend approved B3 into CAD?

Go to CAD> click plus sign (+), check the box for "Populate B3 to Pre-CARM" and add the transaction. The system will prompt a message "Do you want to populate B3 record xxxxxx to pre-CARM". Click Yes or No. If Yes, system will auto populate all the information from B3 to Pre-CARM.