Dear Mr Smith,
Thank you for your fax requesting written confirmation for a delivery of 25 trucks on October 4th 2011.
I can hereby confirm in writing, that this order can be achieved and supplied in full by the deadline stipulated.
This will be subject to a payment of 50% of the 12, 000 Ameicsn Dollars within 2 weeks of you placing of this order, followed by the balance being settled in full on receipt of the delivery.
May I request that these conditions are, indeed acceptable to yourself and if so, we look forward to receiving confirmation of your order.
You're sincerely