An email or letter to a company cancelling an order placed previously. It states the reasons for cancellation and request for refund from the company.
We regret to inform you that we are cancelling our order of [quantity] [products] placed with you on [date]. This is due to [last minute cancellation by our client] / [the quality of your products in our last order was unacceptable] / [your indication that you will not be able to meet the original delivery date] / [the financial deterioration of your company].
cancelling of order,