Complete Application: Fill out the notary public application form available from the Florida Department of State. Some forms must be signed in the presence of a notary public or deputy clerk.This is the requirement that your signature be witnessed. A notary public must use a certificate in substantially the following form in notarizing an attested copy. How to fill out the Authorization Letter for Notarization Request? The notary application packet and the notice of name change form may be downloaded in Adobe's Acrobat PDF format for viewing or printing at your site. These FLORIDA-specific notarial certificates and forms are being provided for your convenience. All are statutory as referenced in the form description. Does an AUTHORIZATION need to be notarized? A letter of authorization allows the person it is written for to carry out the action specified in the letter.