If you are operating an accounting firm and your debtors are too high, then one option to solve that is to install fixed price agreements (FPA) with your cleints.

The download is a working document with samples and templates, its a must for all good accounting firms.

Download the precedure here. 

When offering credit you should allways get your customers to complete a credit application. Download a draft credit application to complete and then forward to your legal advisor

If you have a personal debit loan account in your company then under Australian income tax law under Division 7A  you need to make an agreement to repay the loan.

If someone is looking to buy your business then see the Draft deed of confidentiality to use and then pass to your legal adviser for confirmation.