Explain five roles played by Nigerian custom service

Collection of Revenue (Import / Excise Duties & other Taxes / Levies) and accounting for same Anti-Smuggling activities Security functions Generating statistics for planning and Budgetary purposes Monitoring Foreign Exchange utilisation etc. Engaging in Research, Planning and Enforcement of Fiscal Policies of Government Manifest processing Licensing and registration of Customs Agents Registration and designation of collecting banks Working in collaboration with other government agencies in all approved ports and border station