A customs agent is a law enforcement office working on behalf of the government to carry out inspections on goods and people moving in and out of a country.
Depending on the country and region, the customs agent performs some of the following task:
protects the borders against smuggling
collects tariff and duties on imported goods
protects intellectual property rights
protects the interests of local market
protects the interests of local consumers
acts to fulfil international obligations
Customs agent is a law enforcement person working for the government.