12.3.1 Procurement files shall be established and structured to facilitate management oversight with a complete audit trail that contains contracting details related to relevant communications and decisions including the identification of involved officials and contracting approval authorities.
12.3.2 Under the North American Free Trade Organization, the World Trade Organization - Agreement on Government Procurement, and the Agreement on Internal Trade, Contracting authorities shall guarantee that complete documentation and records, including a signed and dated record of all communications with suppliers, are maintained to allow verification by the Canadian International Trade Tribunal that the procurement process was carried out in accordance with the agreements.