The GSTC Professional Certificate in Sustainable Tourism is awarded to those who have (a) completed the GSTC Sustainable Tourism Course, and (b) successfully passed the official GSTC Sustainable Tourism Course Exam. The Certificate, signed by the GSTC Chair and CEO, recognizes that the recipient has demonstrated their knowledge of the GSTC Criteria. Those who achieve a 80% pass mark on the GSTC Sustainable Tourism Course Exam will receive a GSTC Professional Certificate in Sustainable Tourism.