5.3.1 maintain a full record and audit trail of each Market Testing and make all such records (including details of all tenders received) available for inspection by the Participants and their authorised representatives (including, without limitation, the National Audit Office) on reasonable written notice from the Participants;
5.3.2 provide to the Relevant Participant(s), in a comprehensive and accurate manner, all information necessary to enable the Relevant Participant(s) to review and assess all matters relating to the Market Testing;
5.3.3 certify to the Relevant Participant(s) within twenty (20) Business Days of expiry of the Tender Validity Period that:
(a) to the best of its knowledge and belief (having made due and diligent enquiry) no Excluded Person intends to or will obtain any direct or indirect financial or other benefit from such appointment (other than the benefit of the contract itself);
(b) to the best of its knowledge and belief (having made due and diligent enquiry) no Excluded Person has colluded in connection with the Market Testing; and
(c) there has been full compliance with all requirements relating to ensuring equality of information provided to, and treatment of, Tenderers.