The contract procurement file shall contain the basis on which the award was made. Require a Suffolk professional or student proficient with a screen reader, to test the usability and accessibility of the product.It focuses on what additionality in the delivery of that contract a supplier can bring to the communities of East Suffolk. Apply to Buyer, Purchasing Agent, Supply Chain Manager and more! Assistant Director of Procurement Services (Purchasing and Contract Management). Complete a City of Suffolk Vendor Registration Form and submit to the Purchasing Division. Procurement and Contract Management; XI.16 Vendor Responsibility. The contract procurement file shall contain the basis on which the award was made. Find out more about our procurement and tender process. This guidance therefore considers potential actions relevant in the commissioning, procurement and contract management stages.