DAS Procurement Agency Procurement Manual Overview> Vendor Performance Reporting System> What State Agencies Should Know Prior to Making a Purchase> Understanding and Using State Contracts> Assisting Suppliers on How to Do Business with the State> Agency Tips for Establishing or Using State Contracts> Ethics - Communications with Vendors> Certification/Representation and Non-Discrimination Requirements for State Contracts> Agency Form Contract> Procurement Responsibility and Authority by Agency> DAS Procurement Statewide Contracting Laws, Regulations, Policies and Notices> Cooperative Contracting> Contracting Preference Programs> Contract Labor and Wage Information for State Agencies> Certification/Representation and Non-Discrimination Requirements for State Contracts Certification/Representation for State Contracts Non-Discrimination Requirements for State Contracts