It must also be those prohibitions include alcoholism or drug addiction, narcotics under a suspended license as a tour guide or a business license had been revoked the business license has been revoked or tours. up as a guide, then it's not the first. Years from the date of filing an application for a license as a guide, the Department is required to comply with the law strictly to the suppression order that all parties understand and practice it together correctly. regulations to develop the tourism industry, Thailand is progressing very sustainable.