Why Customs Compliance Matters
Customs compliance forms the foundation of successful international trade with China. Failures result in financial penalties, delayed shipments, or outright confiscation. The General Administration of Customs (GAC/GACC) has broad enforcement powers.
The Five Most Common Issues
1. Documentation Errors
Missing or incorrect commercial invoices, certificates of origin, and packing lists cause delays and fees.
Prevention:
- Maintain thorough documentation checklists
- Use documentation management software
- Verify all details match across documents
- Have documents reviewed before submission
2. HS Code Classification Mistakes
Incorrect Harmonized System codes trigger wrong duty rates — either overpaying or underpaying (both are problems).
Prevention:
- Consult classification experts for complex products
- Maintain current code databases
- Request pre-classification rulings from customs when available
- Document your classification reasoning
3. Customs Valuation (Pricing) Problems
Undervalued goods trigger fines and audits. Related-party transactions face particular scrutiny.
Prevention:
- Declare true transaction values
- Maintain clear pricing records and transfer pricing documentation
- Include all required elements in customs value (royalties, assists, etc.)
- Keep consistent records between customs declarations and accounting
4. Import/Export Restriction Violations
Different products face different restrictions. Some require permits; some are prohibited entirely.
Prevention:
- Research all applicable restrictions before shipping
- Obtain necessary permits and certificates in advance
- Check the current prohibited/restricted goods list
- Verify your product doesn't require CCC certification
5. Inspection and Quarantine Issues
Safety standard violations and improper labeling block shipments at the border.
Prevention:
- Understand destination country GB standards
- Ensure proper Chinese-language labeling
- Obtain required safety certifications before shipping
- Maintain quality documentation trail
Best Practices
- Pre-shipment checks — verify everything before goods leave origin
- Stay updated — regulations change frequently; monitor government websites
- Work with experienced customs brokers — local expertise prevents costly mistakes
- Maintain audit trails — if GACC audits you, documentation is your defense
- Self-disclose errors promptly — voluntary disclosure can reduce or eliminate penalties