The information in a delivery notification may vary as needed or depending on the recipient of the notification. For example, the notification may include information about contact details, delivery times, product status.
A delivery notice need not only go from seller to buyer but can also be used as a notification for transportation. This type of message is part of UN / EDIFACT and is also known as the United Nations Despatch Advice Message. It serves as a delivery specification but also for notification of returns.