Please use this form if you are a new vendor at Nassau Community College. Please complete the new vendor form, qualification statement and upload a W-9 form.A Vendor Agreement is required in order to participate in and receive HEAP payments. One signed Agreement is required and applies to customers in your. Please note that the below list is for informational purposes only. To access a bid please go to Vendor Portal and click the "Nassau County Procurement". COMMISSIONERS OF NASSAU COUNTY, FLORIDA, a political subdivision of the State. A copy of the City's Standard Agreement Form is attached.