Customs Act (Chapter 70): Primary legislation governing customs procedures, duties, and controls in Singapore
Goods and Services Tax Act (Chapter 117A): Legislation governing GST requirements for imported and exported goods in Singapore
Regulation of Imports and Exports Act: Controls the import and export of goods in Singapore, including documentation requirements
TradeNet Regulations: Requirements for electronic trade declarations through Singapore's national single window system
WCO Guidelines: World Customs Organization standards for international trade documentation and procedures
Incoterms Rules: International Commercial Terms defining responsibilities between buyers and sellers in international trade
ASEAN Harmonized Tariff: Standardized system for classification of goods in ASEAN region
HS Code Requirements: mandatory inclusion of Harmonized System codes for proper goods classification
WTO Valuation Agreement: International standards for determining customs value of imported goods
GST Documentation Requirements: Specific requirements for GST reporting and documentation in shipping invoices
Commercial Documentation Standards: Requirements for company details, registration numbers, and authorized signatures
Permit Requirements: Regulations regarding necessary import/export permits and licenses
