What are the main functions of customs department?

The main functions of a customs department include regulating and facilitating international trade by enforcing laws and regulations related to the import and export of goods. They assess and collect tariffs, duties, and taxes on goods entering or leaving a country. Customs also plays a critical role in preventing smuggling and ensuring compliance with safety, health, and environmental standards. Additionally, they help protect national security by monitoring the flow of goods and preventing the entry of prohibited items.