GST InvoiceNow - Beyond the mandate: Start now to make it work for your business
Published on August 12, 2025![]() | Richard Ong, Partner & Head of Goods & Services Tax, RSM Singapore Richard currently leads the Firm’s Goods & Services Tax (GST) Division, providing consulting services to clients across industries such as real estate & construction, fund management and funds, technological, platform businesses, pharmaceutical, aviation, financial institutions and logistics. He brings extensive GST experience from roles at the Inland Revenue of Singapore (IRAS), a Big 4 accounting firm, United Test and Assembly Center Ltd (UTAC) and the Firm. Beyond GST and tax, Richard’s hands-on treasury experience has given him practical insights into cash flow planning and hedging. Richard has spoken at public seminars in Singapore and Malaysia on topics including IRAS GST audit focus areas, GST for SMEs, GST rate changes, managing GST risks, the GST Assisted Self-help Kit (ASK) and Malaysia GST. He has also authored numerous GST articles. |
![]() | Kevin Lim, Chief Executive Officer, DataPost (Singapore) Pte Ltd Kevin Lim is the Chief Executive Officer of DataPost. With a background in technology and data management, he has driven digital transformation initiatives and operational excellence within the company. Under his leadership, DataPost has become a certified Access Point and InvoiceNow-Ready Solution Provider under Singapore's InvoiceNow framework, which enables seamless and secure adoption of e-invoicing solutions. |
![]() | Gilfred Chew, Senior Manager, IMDA Gilfred has been with the E-Invoicing Project Office at IMDA before the inaugural nationwide launch in early 2019. His key responsibilities include industry outreach; promoting adoption among larger enterprises, managing grants administration, providing training and education and optimising business processes. He actively participates in business events, contributes to industry articles and provides guidance to organisations. Gilfred also facilitates collaboration between industry and solution providers throughout both pre- and post-implementation phases. He also supports Access Point and Solution Providers in enhancing their capabilities to prepare for GST-InvoiceNow readiness and other InvoiceNow developments. |
![]() | Chong Zuming, Manager, Inland Revenue Authority of Singapore (IRAS) Zuming is a Manager with the IRAS GST Division, with over seven years of GST experience across both private and public sectors in Singapore. He has undertaken various functions, ranging from audit work to educational projects. |
![]() | Kevin Lim, Assistant Director, Inland Revenue Authority of Singapore (IRAS) Kevin has over a decade of experience in GST audit and education at the IRAS. He strengthens GST literacy among businesses by managing GST compliance efforts and outreach efforts, and actively promotes InvoiceNow adoption among businesses since the introduction of the GST InvoiceNow Requirement. |
![]() | Toh Huey Sun, Assistant Director, Inland Revenue Authority of Singapore (IRAS) Huey Sun has over a decade of experience in GST audit at the Inland Revenue Authority of Singapore (IRAS). Over the years, she has developed deep expertise across various functional areas within the GST Division. Her responsibilities include educating taxpayers on GST rules, speaking at Assisted Self-help Kit webinars, and strengthening GST compliance through the execution and implementation of various audit programmes. Since the introduction of the GST InvoiceNow Requirement, Huey Sun has been actively involved in publicity and outreach efforts to promote InvoiceNow adoption among businesses. |