Contractor's Letter of Authorization. This form provides authorization for certain individuals to apply or sign for permits under the contractor's license number.This will serve as authorization for. of. Name (Please print) Date. This dynamic PDF is not fillable if you open it in your internet browser. Please use these steps to download, save, and fill out the form. Section I-3 Application for License to Conduct Business as an Administrator in the State of Florida. Florida LLC Forms; Foreign LLC Forms. Your Filing Options. Accounting and Auditing forms can be located in the drop downs on this page.