| System | Status | Meaning |
| ILLiad | Awaiting Request Processing | The request must be manually searched and processed. |
| ILLiad | Awaiting Copyright Clearance | The request must be manually checked for copyright compliance royalty payments. |
| ILLiad | In DD Stacks Searching | Staff are physically checking shelves for an item owned by WSU to fill the request. |
| ILLiad | Request Sent | The request has been sent to a number of libraries to borrow the item. |
| ILLiad | Ordered via vendor Supplied DD | The request has been ordered from a vendor and WSU is awaiting receipt of purchase. |
| ILLiad | Awaiting Extensive Searching | Staff are searching for a library that owns and will supply this item. |
| ILLiad | Awaiting Unfilled Processing | The request has already been sent to a number of libraries that were unable to supply the item. Staff will continue searching for a library that can supply us with this item. |
| ILLiad | Customer Notified via email | The requested book has arrived, delivered and is currently on the hold-shelf of the Pickup Location selected in the user account settings of ILLiad. |
| ILLiad | Delivered to Web | The delivered article has been posted to the ILLiad account and is available for viewing. |
| ILLiad | Request finished | The delivered article's visibility has expired, or, the requested book has been returned. |
| MelCat | Requested | Indicates the book request was successfully routed to a library for fulfillment. |
| MelCat | In Transit | Indicates the book request was successfully mailed by the lending institution and is on its way to Wayne. |
| MelCat | On Hold-shelf | Indicates the book request is on the shelf awaiting pickup |