On November 20 and 21, 2017 The Thirteenth International Public Relations Symposium with the participation of the UNESCO National Commission was held at the International Conferences Center of National Library. At this conference, attended by Dr. Masumeh Ebtekar - The Vice President of Women Affairs, Mr. Sayyed Mohammad Bathaie - The Minister of Education and Dr. Saadollah Ghaydari – The General Secretary of UNESCO National Commission- Iran “The Thanksgiving Letter of Friendly Public Relations” was granted to Pezhhan Cultural - Advertising Institute due to its sense of social responsibility, accompaniment in advancement of cultural and scientific events, and contributing to the advancement of community goals.