The Inventory tab contains a list of inventory items that were reserved for a single or multiple customer orders. You can edit the list. The items removed from the list will remain reserved.
 
The "Inventory Reserve (cancel)" form. The Inventory tab

If you are manually creating this document, to add a new row, click the Add button. If cancellation will be done for multiple customer orders, make sure that you moved the Customer Order to this tab as a column. For this, you can use the Settings button on the form toolbar. Then, you can populate the list of reserved items by adding Customer Orders one by one.

The Warehouse column, shows the warehouse of the reserved quantity of the item.

In the Item column, you can view a reserved item from the selected order.

The Characteristic column is available if the Enable Item Characteristics option is selected on the Administration > Settings > Purchasing and Warehouses form. In this column, you can view item's additional properties (such as size, color, and so forth) of each listed item if the Use Characteristics option is selected for the item in its master record (see Items).

The Batch column is available, if the Enable Batches option is selected on the Administration > Settings > Purchasing and Warehouses form. In this column, you can view the batch (lot) number for the items for which the Use Batches option is selected.

In the Quantity column, you can notice the quantity of the reserved item and in the UOM column, you can view the unit of measure used for the item.

The Serial Numbers column is available if the Serial Number Tracking option is selected on the Administration > Settings > Purchasing and Warehouses form. For each serialized item (for which the

Use Serial Numbers check box is selected in their master record), click in the column to open the Serial numbers dialog box. In this dialog box, you can view the serial numbers assigned to units of the item.

The Term column shows the number of days to hold the item.

The tab toolbar buttons

Use the Up and Down ( ) buttons to rearrange the items in the list.