How to complain about overseas tour guides?

Nowadays, every country attaches great importance to tourism and does not need any big capital. With the resources and environment of each country and some construction projects, it can earn a lot of foreign exchange for the country, so everyone tries their best to keep this business. Every country has a department under the Tourism Bureau to supervise the behavior of tour operators. You can complain to this department and tell him the evidence and truth of your fraud. The department has the right to punish illegal travel companies and those bad tour guides and withdraw their travel permits.