Three stock types exist that provide information about the usability of an article:

When you post a goods receipt, you decide the stock type you wish to post a quantity to. The stock type is relevant for determining the available stock in Requirements Planning and for withdrawals in Inventory Management.

From the Requirements Planning point of view, the unrestricted-use stock is always available. Stock in quality inspection or blocked stock is not available for withdrawals in the standard system. They can be defined as available in the Customizing system.