After credit note recorded in MYOB, user can select the sales invoice they would like to knock off with credit note. 1. Go to Sales module- Sales Register 2. In Sales Register, go to Return& Credit Tab. The credit note recorded are listed at this tab, user can select which credit note they would like to knock off, then click on 3. The Settle Return& Credits Windows will prompt out. User can move the optical mouse and left click on the invoicethey would like to knock off, enter the date then click on Record at the bottom of the window. The invoice will be contra or knocked off by the credit note.