Re : (please insert the matter in question, e.g. outstanding commission paid on 12/12/1999)

I/We* are writing to demand from you the sum of HK$(please insert the outstanding sum) being the overpaid (please insert the nature of the money, e.g. salaries, commission) paid by me/us to you on ______________.

Despite repeated demands, you have failed to settled the said sum or any part thereof as at the date hereof. (you can deleted this senstence if it is the first time you ask the other side to pay the outstanding sum)

I/We* hereby give you notice that if the said sum of HK$(please insert the outstanding sum) is not paid to me / us* (you can also point out the method and/or the location for payment here) within the next SEVEN (7) DAYS, legal proceedings will be instituted against you without further notice in which event you may be liable for the legal costs occasioned thereby.

Yours faithfully,

(signature here)

(Block Letter of you name)