Skip to main content
A Singapore Government Agency Website How to identify
Official website links end with .gov.sg
Secure websites use HTTPS
Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.
A Microsoft service disruption on 13 November 2026 is affecting some government systems, including email.
Singapore Customs

Amendment to Existing Licence

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

Last updated on 28 August 2026

Who may amend?

How to amend?

Processing Time