A 30 day tourist visa can be obtained from any Mongolian Embassy abroad. Diplomatic representatives abroad and honorary consulates of Mongolia have rights to issue Mongolian visas to foreign citizens. To check the nearest embassy or consulates please visit at

Foreign nationals from other countries, which have no agreement on relaxing visa regime on the basis of reciprocity wishing to pay a visit to Mongolia for more than 30 days, should have an official or private
invitation.

Customs
Every tourist will complete a customs declaration from on arrival, which must be retained by them until their departure.This allows the free import and export of articles for personal use during your stay. Visitors taking antiqies and fossils out of the country must have official documentation. Some shops will provide the necessary documents upon purchase.

visit to http://www.mongoliatourism.org/travel-services/mongolian-visas.html