preferred_1 preferred_2 preferred_3 CESA 9 Business Office Contacts Hilary Cordova Director of Finance Email Phone: 715-453-2141 ext. 1480 Ryan Kottke Payroll & Accounting Specialist Email Phone: 715-453-2141 ext. 1470 Hanna Van Ryen Procurement & Applications Specialist Email Phone: 715-453-2141 ext. 1410 Forms ACH Payment Authorization W-9 Form Completed by CESA 9 Tax Exemption Certificate Wisconsin Sales & Use Tax Exemption Certificate (S-211)
