Dear …

RE: Cancellation of __(Type of Sales Contract)__ __(Reference Name/Number)__

Please allow this to serve as notification that the above mentioned sales contract has now been cancelled. This was due to __(briefly state reason – example: a request we received today from the buyer to cancel it/etc.)__. Consequently, the commissions in the amount of __($amount)__, that has been paid to __(you/name of person/organization)__, must be refunded to us in full. It is regrettable that this sale did not proceed as originally planned. Based on __(these extenuating circumstances/the cancellation right exercised by the buyer/etc.)__, we had no alternative but to proceed with termination of the contract as stated. Therefore, we ask you to kindly process reimbursement of the __($amount)__ sales commissions, as quickly as possible. Please forward the refund to: __(address/ fax/email/etc.)__. We appreciate your quick response to this matter and look forward to hearing from you soon.

Yours truly,