You are advised to check if your item is controlled by Competent Authorities (CAs) before it is imported into, or transhipped via, or exported from Singapore You may enter a description of the item, Harmonised System (HS) code or CA product code in the HS/CA Product Code search engine. If the item is subject to control, the name and Contact Person of the CA will be indicated next to the HS code description in the hyperlinks under the "import", "export" and "transhipment" columns in the search results. You may then liaise directly with the Contact Person of the CA(s) for their regulatory requirements.

Please also check with the CA directly on whether the CA requires the product code to be declared in the permit application.

This information is sourced from CUSTOMS.