• Collection of Customs taxes and duties;
• Collection of other import and export taxes on behalf of other government agencies such as value added tax (VAT), excise tax, and municipal tax;
• Supervision of imports and exports to ensure compliance with relevant laws and regulations;
• Prevention and suppression of smuggling, tax and duty evasion including other Customs offences;
• Promotion of manufacturing and export through tax measures; and
• Facilitation of international trade.

In addition, the Customs Department is also entrusted with the following functions:

• Providing recommendations on tariff policies to the Ministry of Finance by taking into consideration the current economic situation; and
• Compilation and publication of export-import statistics and other Customs-related information.