20.1 Purchases from joint and/or cooperative procurements (non-GSA Schedule 70)

20.1.10 Documentation for the procurement file

All solicitation, negotiation and award documentation should be included in the master procurement file, including any supplier-certified representations. A complete procurement file should be maintained for each purchase transaction and should contain all the information necessary to understand the why, who, what, when, where and how of the transaction, including the contract from which the good or service is being procured.