Those countries, whose participants granted visa-free entry for Mongolian nationals:
Hong Kong - holders visa free up to 14 days;
Kazakhstan - holders visa free up to 90 days;
Macau - holders visa free up to 90 days.
Those countries, whose participants need a visa to Mongolia:
China – only holders of diplomatic, official or official E passport visa free up to 30 days;
Chinese Taipei - need a visa;
Republic of Korea - only holders of diplomatic or official passport visa free up to 30 days.
The OC will send an invitation letter by request for all participants delegation.
More information on foreign nationals arriving in Mongolia, please see the following page from the Ministry of foreign affairs of Mongolia: http://www.mfa.gov.mn/?page_id=28247&lang=en
Further questions concerning travel documents accepted by Mongolia shall be addressed to the Mongolian diplomatic or consular missions in your respective countries.