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The County of DuPage
Wheaton, Illinois

Contractor Forms and Information

Form NameInstructions
Vendor Ethics Disclosure Statement; page 1 This form MUST accompany all Requisitions for Purchase Orders, Bids and Proposals
 Vendor Ethics Statement Instructions 
Vendor Ethics Disclosure Statement continuedUse this form for additional pages
General Terms and Conditions 
Certified Transcript of Payroll formCTP Instructions
W-9 Form 
W-8 ECI FormW-8 ECI Instructions
WH-347 Certified Transcript of Payroll FormWH-347 Instructions
WH-1321 PosterThis poster MUST be posted at all job sites where the work being performed under
  Federal funding!
IDOL Prevailing Wage RatesUse this link may be used to verify each months prevailing wage rate
Tax Exemption Letter 

For the purposes of the Vendor Ethics Disclosure Statement, you must report all contributions to the County Board Chairman and any of the County Board Members. If your contract is being approved by the County for the benefit of any other Officer, you must also report all contributions to that Officer.