Government agencies communicate via
websites (e.g. go.gov.sg/open).
Look for a
or https:// as an added precaution. Share sensitive information only on official, secure websites.
Updated Forms 21 (PDF, 1.05 MB), 21A (PDF, 652 KB) and 28 (PDF, 9 KB) and removal of Form 29 with effect from 15 December 2010.