7.9.1    PSA is required by the certification scheme to conduct annual surveillance audits of its certified clients. Surveillance audits ensure that the certified products and the producers remain in compliance with the scheme owner certification program and the published Standard(s) under which the product is certified. Certified products are required to be manufactured to the same specifications under which they are certified and retention of a product’s certification is maintained by passing the annual compliance audit which verifies that there have been no changes.

Testing of samples  from the open market