During the implementation of the project the progress have to be controlled: “supplier or vendor management”. It is crucial for you as a customer to know that the right processes are followed in the production phase and that the certified quality systems are in place. Other audits are also possible. Think of a tailor-made audit in which you determine which specific criteria must be tested. A sustainability audit where the main focus is on issues such as chemicals, packaging, CO2 emissions and collection and the environment.