1. Engineering and planning determine the design of the product, the materials specifications, and the requirements at each stage of operations
2. The production budget provides the master plan from which details concerning materials requirements are eventually developed
3. The purchase requisition informs the purchasing agent concerning the quantity and type of materials needed
4. The purchase order contracts for appropriate quantities to be delivered at specified dates to assure uninterrupted operations
5. The receiving report certifies quantities received and may report results of inspection and testing for quality
6. The materials requisition notifies the storeroom or warehouse to deliver specified time or is the authorization for the storeroom to issue material to departments
7. The materials ledger cards record the receipt and the issuance of each class of materials and provide a perpetual inventory record