20.10 Sub-hubco shall maintain a quality management system which shall:
20.10.1 ensure the effective operation of the quality systems described in this Clause 20 (Quality Assurance);
20.10.2 cause an audit of the quality systems at regular intervals and the findings of such audit will be reported to the Authority's Representative;
20.10.3 require review of all quality systems at intervals agreed with the Authority's Representative to ensure their continued suitability and effectiveness;
20.10.4 require liaison with the Authority's Representative on all matters relating to quality management; and
20.10.5 require production of reports and their delivery to Sub-hubco.