Certifications is the process of certifying that a certain product has passed performance tests and quality assurance tests, and meets qualification criteria stipulated in contract, regulations or specifications.
The process for certification of a product is generally summed up in for steps:
1) Application ( Including testing of the product)
2) Evaluation (Does the test data indicate that the product meets qualification criteria)
3) Decision ( Does a second review of the product application concur with the Evaluation)
4) Surveillance (Does the product in the marketplace continue to meet qualification criteria)