Dear _________ (name of the customer)
This email is in reference to the order number ________ (mention order number) placed on __/__/____ (date) amounting ________ (mention amount).
We are glad to inform you that the order placed is ready to be delivered and the scheduled date for the delivery is ________ (mention date). We hereby request you to arrange approval/ issue a gate pass for the entry of the delivery vehicle/ transportation vehicle at __________ (delivery location) on the said date.
I look forward to your quick and kind response in this regard. For further queries, you may contact at ________ (mention contact details).
________ (company name),
________ (contact details)