On October 23, 2025, the Customs Department issued Official Dispatch No. 31087/CHQ-GSQL providing guidance on the importation of goods, specifically regarding chemical declaration for mixtures with undetermined component concentrations.
Details of the guidance are as follows:
- Chemical mixtures are exempt from chemical declaration only if the components listed in the List of Chemicals Subject to Declaration have a concentration lower than 0.1%.
- Control measures must be taken when declaring imported chemicals that are hazardous substances, such as dinitrogen monoxide, cyanide compounds, mercury, and mercury compounds.
- In cases where the concentration of substances in the mixture cannot be determined, enterprises are required to carry out chemical declaration procedures.
(According to Official Letter No. 31087/CHQ-GSQL dated October 23, 2025)
Related Service: Customs Clearance Procedures
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