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. Duly filled-in Application Form and Challan Form or Courier Receipts in case attestation is applied through courier service.Your Name's CNIC number. I want to ask that Is it necessary to have authority letter if I want to attest my degree through an Authorized person or not necessary? Step 1: Fill the application form, using this link: eservice.hec.gov.pk. HEC Requirements for Degree Attestation: Print out of Application Form of the same day. Nhsrc,gov.pk" to process online application for documents attestation. Xxxxxxx-x to have my educational degrees attested on my behalf. You have to show your attested documents from Board and HEC. If you start it from now, it will save your time and money at the time of visa process.