Korea Incheon airport 22hr and 14hr Layover visa

Nepali passport holders were allowed to go out of ICN with valid US visa but since October 2018 it is not allowed to go out of airport for city tour etc...

Transit tourists bound for another country Eligibility Nationals of countries, except for the 24 excluded countries (Syria, Sudan, Iran, Macedonia, Cuba, Kosovo, Palestine, Afghanistan, Iraq, Nigeria, Ghana, Yemen, Gambia, Senegal, Bangladesh, Kyrgyzstan, Pakistan, Somalia, Uzbekistan, Nepal, Cameroon, Sri Lanka, Myanmar, Egypt) that are not granted visa free entry into Korea Applicable to… Persons holding a visa (re-entry permit, permanent residency, etc.) to enter the U.S. (including Guam and Saipan), Canada, Australia, or New Zealand (hereinafter referred to as "the four advanced countries") 1) who transit through Korea to go to one of the four advanced countries. 2) who stay in one of the four advanced countries and take a direct flight from the country to Korea to go to a country of origin or a third country. i) A person who has an entry visa for one of 30 European countries, and wishes to travel to 30 European countries through South Korea, or departs from one of 30 European countries, and wishes to travel one’s home country or the third country through South Korea. Eligibility (1)A person who has a departure ticket to the countries above within 30 days from South Korea, for who has not been an illegal alien and non endorsable offences. (2) In the past 3 years, a person who has not been denied entry to Korea, who has not given deportation order from Korea and a person who has not been an illegal alien and a person who has not violated laws. (3) A person who stayed in transit country or stopover country within 3 days. (4) For e Visa holders, visa must be attached to traveler’s passport and who is traveling from the US, Canada, Australia, New Zealand through South Korea are allowed to enter Korea without a visa.