The action program of the Government of Mongolia includes the action "Mongolian Heritage and the World", and the Ministry of Culture of Mongolia is gradually implementing measures such as bringing back cultural heritage from foreign countries, studying together, and holding exhibitions. within the framework of cooperation, dinosaur fossils from Mongolia, which entered the United States illegally, were received in 2013, 2015, 2017, and 2020. This time, the Museum of Natural History received 6 types of dinosaur fossils on 02.19. The United States courts, the Attorney General's Office, the Department of Homeland Security, Customs and Border Protection, and other law enforcement agencies are involved in the process of discovery, authentication, and subsequent transfer to their rightful owners. executive director, researcher and paleontologist of the Museum of Natural History in New York City, Dr. M. Bolortsetseg, has been working continuously since 2012. The above findings were received by the working group established by the order of the Minister of Culture No. A/22 of 2024 and temporarily deposited in the Museum of Natural History In the future, researchers of the Institute of Paleontology of the Academy of Sciences and the museum will jointly study, strengthen, restore, develop, and promote the work in stages within the framework of the Law on the Protection of Cultural Heritage.