Using OPERA

What are the operational hours of OPERA?
- OPERA is available from Mondays to Saturdays except between 4am and 6am Singapore Time (GMT +8).

Do I need special training to use OPERA?
- The system is designed to be intuitive and easy to use. The screens will guide you on what to do. As such, special training is not required.
- If you run into any difficulty, you may call the MASNET Helpdesk at telephone number 62299688 or toll free line 1800-2258247.

How do I make payment in OPERA?
- OPERA operates eNETS Credit as online payment services.
- eNETS Credit is an online credit card payment gateway, operated by NETS, that allows you to pay for bills, goods and services online using your VISA/MASTERCARD credit card.please go to eNET website for detail:http://www.nets.com.sg/enets/

How do I request for a refund if duplicate payment was made on OPERA?
- If you have made a duplicate payment, please send an email to helpdesk@mas.gov.sg with supporting documents (e.g. an extract of your credit card statement) to request for a refund. An MAS officer will contact you to assist in the refund.