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.1. Fill out attached application form. 2. Attach all required documents. 3. Kia HeC mai attestation k liye blood relatives Means siblings k liye kia Authority Letter zarrori hai yaa nahi? IMPORTANT: Are you enrolled in coverage and got a warning letter in the mail after not sending in documents within 90 days? Of letter-graded course work completed at GCC in a degree program.