Vendor registration is free. Form 3921 must be submitted along with the 3 supporting documents described in part 1 of this presentation as a single application package.Miami-Dade Vendor Affidavits Form; Authorization Agreement for Direct Deposit (MUST SUBMIT ORIGINAL DOCUMENT); Owner Consent (if applicable). • Vendor Information and Forms. Complete the City's Vendor Registration and IRS W9 Form. This Agreement shall be governed by, and construed in accordance with the laws of the State of Florida. Please visit our office or contact us at 305-375-1490 for assistance in completing this form. Miami Dade County Homeless Trust. Miami-Dade County certified SBEs are able to participate in various contract measures designed to assist with the bidding process. Please visit our office or contact us at 305-375-1490 for assistance in completing this form.