The ISO 17020; - Requirements for the operation of various types of bodies performing inspection- Third Party Inspection in simple words means putting a check on the working process in business world at every stage from some external/not related entity which has required expertise in validation & checking of that process. The external entity is called Third party, since it is neither the producer nor the buyer of the product or services being inspected. A product or service goes through number stages before it is available in the market for the final customers. Third Party Inspection is basically related to the task of scrutiny at different stages of production in order to maintain the level of quality and confidence of the customer in business.