Final answer:
To track a special order delivery, a customer should receive the order number, completed paperwork, and a contact number for delivery updates to ensure they have the necessary information to follow the progress of their shipment.
Step-by-step explanation:
To check on the status of a special order delivery such as monogrammed table liners being shipped directly from the manufacturer, it is essential to provide the customer with accurate and helpful information. The most effective set of information to provide would include the order number, which is the unique identifier for their specific transaction. Additionally, supplying a copy of the completed paperwork will ensure the customer has a reference to the details of the order. Lastly, giving them a contact phone number dedicated to delivery updates will facilitate a direct line of communication should they need real-time information or assistance.