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.

Billing Enquiries

Request for Physical Final Bill
Need a copy of your printed final bill? Submit your request here.

Payment and Refund Enquiry
Submit Enquiry via Online Form
(Please include the case number or tax invoice number in your enquiry submission).

Compliments and Feedback
Your opinion and feedback are valuable to us. Kindly spare a minute of your time to comment on your experience with us. KKH strives to provide the best experience for you. Submit your comments here.