It is also useful to provide a contact name and telephone number, in case of problems. The decision on what delivery method to use should be based on a combination of client need, type of material, borrowing library preference, geographic factors, costs, and availability of delivery services, e.g. local van service, facsimile machine, or electronic network. A suggested document delivery decision chart appears on the following page. Turnaround times include both processing and delivery. For example, if the request takes 4 days for the lending library to process, the best delivery choice would be one which can deliver the item to the borrowing library in one day.
Local pickup is an option under any of the above.
It is, of course, always possible to use a faster method like courier or First Class mail even for low priority items. They may not provide sufficient protection for multiple copies and larger documents. In this case, a padded envelope is preferable. Bibliography Boucher, Virginia. Interlibrary loan practices handbook.