1. Member States shall ensure that any operator complying with the rules of a quality scheme set out in Titles II and III is entitled to be covered by the verification of compliance established pursuant to Article 37.
2. Operators who prepare and store a product marketed under the traditional speciality guaranteed, protected designation of origin or protected geographical indication schemes or who place such products on the market shall also be subject to the controls laid down in Chapter I of this Title.
3. Member States shall ensure that operators willing to adhere to the rules of a quality scheme set out in Titles III and IV are able to do so and do not face obstacles to participation that are discriminatory or otherwise not objectively founded.