An authorization letter for HEC is a legal document which gives permission to a third person to go and attest the degrees and transcripts on your behalf. Your Name's CNIC number.To fill out this form, visit the HEC online application portal. Complete the application form with accurate educational details and upload necessary documents. The Florida Secretary of State is the only competent authority authorized to issue notarial and apostille certifications in the state of Florida. Harvey Koeppel, Director.