Accountant-General's Department
100 High Street #06-01
The Treasury
Singapore 179434
Tel: +65 6332 7673
Fax: +65 6332 7678
Email: agd_mailbox@agd.gov.sg

Office hours:
Mondays to Fridays - 8:30am to 12:30pm, 1:30pm to 6:00pm
We are closed on Saturdays, Sundays and public holidays.