Lao Customs is the customs service of Laos , with the responsibility of governing and overseeing the flow of goods, people and vehicles into and out of Laos; operating customs offices; and collecting import and export duty fees .

Lao Customs operates regional offices in many towns and cities, including offices located in: Attapeu , Bokeo , Bolikhamsay , Champassack , Huaphanh , Khammuane , Luang Namtha , Luang Prabang , Oudomxay , Phongsaly , Saravanne , Savannnakhet , Sekong , Vientiane Municipality , Vientiane Province , Xayaboury , Xaysomboune Special Zone and Xieng Khouang .