Furture to your last email, In Malaysian culture all the sales people are responsible for the debt collections.
So sales people should be follow up the debt, inform reason why the customers overdue can not pay on due date and report to Mr.Mickee or Mr.Kian every week.
Such as In Thailand Chemico Inter Corporation the debt collections responsible by the finance department.
The finance department follow up the debts from customers aging and report about reason customers overdue every week.
Please let us have your comment or advice to resolve this matter.