Skip to main content
A Singapore Government Agency Website How to identify
Official website links end with .gov.sg
Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted websites
Secure websites use HTTPS
Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.

Government officials will never ask for money or bank details via phone call, text message or email.

Only trust SMSes from gov.sg SMS Sender ID. Unsure? Call ScamShield 1799 or visit the ScamShield website.

Singapore Customs

Licensing Requirements

Find out when a Chemical Weapons Convention (CWC) licence is required, how to apply for one, and how to amend an existing licence to ensure regulatory compliance.

Last updated 13 February 2026

Licensing Requirements Overview

Learn when a Chemical Weapons Convention licence is required for activities with scheduled chemicals and unscheduled discrete organic chemicals, including applicable exemptions.

Application for Licence

Learn who needs a CWC licence and how to apply by following clear steps and submitting the required documents to ensure compliance before starting controlled activities.

Amendment to Existing Licence

Amend your CWC licence to account for changes in chemicals, products, activities, or quantities, ensuring continued compliance with regulations.