Some forms must be signed in the presence of a notary public or deputy clerk. This is the requirement that your signature be witnessed.1. Completely fill out all three (3) Diligent Search Letters (Form B) with your information, the other party's information and have them NOTARIZED. Simpler, smarter, safer. â–¡Surveyor's Affidavit. All documents posted below in PDF format must be filed with the court in PDF format. AFFIDAVIT OF MIAMI-DADE COUNTY. Please fill out all attachments. IN THE COUNTY COURT OF THE ELEVENTH JUDICIAL CIRCUIT IN AND FOR MIAMI-DADE COUNTY, FLORIDA. Certificate of Source means a copy of a notarized affidavit of verification from the source from which the pet was obtained.