PRIMARY MARKET is the first sale of a newly issued security. Those securities are purchased in the primary market. All subsequent trading of those securities is done in the secondary market.
CP is an acronym with many possible meanings, e.g., Capacity Planning, Central Procurement, Change of Plan (insurance), Claims Procedure (insurance), Commercial Paper, Community Property, Consumer Products, Contingency Plan, Contract Price, Change Proposal, etc.
3-WAY MATCHING is the comparison of relevant voucher, purchase order, and receiver.
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