What is purchase requisition in SAP SCM-APO-CA - APO Cross-Application Components?

SAP Term: purchase requisition

• Component: SCM-APO-CA

• Component Name: APO Cross-Application Components

• Description: Request or instruction to Purchasing to procure a certain quantity of a product or a service so that it is available at a certain point in time.

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• Key Concepts: 
  A purchase requisition is a document used in SAP's Supply Chain Management (SCM) and Advanced Planner and Optimizer (APO) Cross-Application Components. It is used to request goods or services from an external vendor. The requisition includes the item description, quantity, and delivery date. It is then sent to the vendor for approval and processing. 
  
  How to use it: 
  In SAP, purchase requisitions are created in the Materials Management (MM) module. The requisition is then sent to the vendor for approval and processing. Once approved, the vendor will send an invoice for payment. The invoice is then processed in the Financial Accounting (FI) module. 
  
  Tips & Tricks: 
  When creating a purchase requisition, it is important to include all relevant information such as item description, quantity, and delivery date. This will ensure that the vendor can accurately process the order and deliver it on time. 
  
  Related Information: 
  Purchase requisitions are part of SAP's SCM-APO-CA APO Cross-Application Components. Other components include demand planning, supply network planning, production planning/detailed scheduling, and global available-to-promise.