[Date]
[Name],
[Company and Address],
Dear Mr. / Ms. ———- [Name],
We have submitted our purchase order # ——- [Purchase Number] for ———— [Products, example. ——————]. Although we requested / you estimated delivery by ———– [Date], [reason, example. changes in our forecasts] have caused us to require the shipment by ——– [Date].
We understand that this request may place some burdens on your schedule. For that reason, your accommodation would be greatly appreciated. Please contact me at ————— if this is not possible.
We look forward to continued business together.
Thanking you,
[Name & Signature]
