You need to set the Inspection check when using Third-Party Integration for Inventory Notification. However, in the documentation the Inspection Indicator is missing.
SAP Business ByDesign
You can set the Inspection Indicator using the InventoryStockStatusCode. It can have the value 1 (for Inspection checked) or do not enter the tag InventoryStockStatusCode.
In case you need to set the Inspection, you can use the tag below:
Inspection, Indicator, web, service , KBA , indicator , inspection , web , service , AP-IP-IN , Inventory Notification , How To