Finance Forms

The Finance Division publishes certain forms for business to have access to, to do business with Washington County.

Payables / Procurement / Receivables Forms

ACH Enrollment Form (PDF 4.38 MB)

(For Suppliers)

W-9 Blank Fillable Form (PDF 267.75 KB)

(For Suppliers)

W-9 Supplier Letter (PDF 2.09 MB)

(For Suppliers)

W-9 for Washington County (PDF 58.21 KB)

(For Customers)

Washington County IRS Tax Exemption Letter (PDF 49.02 KB)

Washington County Oregon Business Registry Resale Certificate (PDF 34.88 KB)

Location

Finance

155 N First Avenue
Hillsboro, Oregon 97124

Hours and directions