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Use
To efficiently plan your requirements it is necessary to fulfill newly arising requirements (such as sales orders) with the existing or future stock (for example purchase requisitions). If you have defined categories for your material you can assign the stock to the requirements using these categories. The coverage strategy determines how the requirements categories are assigned to the stock categories. This assignment takes place during the availability check, the MRP (see
Requirements Planning) and the allocation run.The coverage strategy is also important for the following requirements elements and stock elements and their MRP-relevant procedures:
Features
During the planning run, the system determines which requirement categories can be covered by which stock categories. You can specify a certain sequence for the above mentioned stock and requirements elements and their MRP-relevant procedures.

For example, you determine the following sequence for your categories using your coverage strategy: You receive a requirement, such as a sales order, for category 001A. Category 001A includes the following information: The customer requesting the requirement belongs to your customer segment A. This customer has a requirement for quality 1. Using the coverage strategy, you define that this customer will receive the requested category first if you have the category in stock. If the requested category is not in stock, you decide that the customer will then receive the next lower quality.

Using the coverage strategy, you can uniquely assign the stock to the requirement in the MRP run. You can read the status of the assignment of the requirements categories to the stock categories after a planning run in the MRP list using the MRP status.

For example, the MRP status T (temporary) means that a requirements category is temporarily assigned to a stock category. A sales order that arrives later and is subject to an earlier requirements date than the sales order that has already been planned, can be reassigned to the already planned stock. The assignment of a requirements category to a stock category is not fixed until after the allocation run. This requirement is then open for the delivery.

You define your coverage strategy in Customizing. You assign the coverage strategy to a material in the material master in the AFS MRP view at plant level. If you set the AFS status MRP, no other coverage strategy can be assigned to this material.