How do I request an official stamped copy of a transcript in a sealed envelope and official copy of diploma in a sealed envelope?

If you are student of IIS.
You pay fee at Finance Division , 1st floor ,President Building ; 
1. Fee receipt of 400 baht per copy for English University Council Certificate
2. Fee receipt of 300 baht per copy for transcript
3. Fee receipt of 50 baht for a sealed envelope
     You contact at window no.4, 1st floor ,Admissions and Records Office Building for English University Council Certificate. And  you contact at window no.3 for transcript. After that you can collect the English University Council Certificate and transcript on or after given date.
     If there is any question, please do not hesitate to ask me at 02-310-8603 or 02-310-8629.