THE Prime Minister’s recent announcement that the government is exploring the incorporation of selected features of the goods and services tax (GST) into the existing sales and service tax (SST) framework presents a timely opportunity for a constructive national discussion on the future of Malaysia’s consumption tax system.
This development should be welcomed as an opportunity for constructive engagement among policymakers, businesses, tax professionals and the wider public.
More importantly, it allows Malaysia to revisit an issue that goes beyond the traditional debate of whether GST is better than SST or vice versa.
The real question is far more fundamental: What is the most effective consumption tax system for Malaysia’s future?
Any tax framework should ultimately support several key national objectives.
It should generate sustainable government revenue, minimise revenue leakages, facilitate business growth, strengthen Malaysia’s competitiveness as an investment destination, and ensure that lower and middle-income households are protected from undue financial burden.
As Malaysia seeks to balance fiscal sustainability with economic growth, it may be timely to consider whether a hybrid GST-SST model could offer a more effective path forward.
This is not about reintroducing the previous GST system in its entirety, nor is it about replacing SST altogether.
Instead, it is about identifying the strengths of both systems, learning from past experiences, and leveraging on today’s technological advancements to develop a more efficient, transparent and business-friendly consumption tax framework.
Fiscal requirements
Malaysia’s fiscal requirements have evolved significantly over the years.
The government continues to invest heavily in infrastructure, healthcare, education, digital transformation, sustainability initiatives and social support programmes.
At the same time, the country faces increasing competition for foreign direct investment, shifting global supply chains and a rapidly changing international tax landscape.
Against this backdrop, ensuring a resilient and sustainable revenue base has become increasingly important.
Globally, consumption taxes remain one of the most widely adopted forms of taxation. More than 170 jurisdictions around the world have implemented some form of value added tax or GST system.
Countries such as Singapore, Australia and New Zealand have long relied on broad-based consumption taxes as important sources of government revenue while maintaining highly competitive economies.
Singapore’s GST system, for example, has been progressively enhanced over time to support fiscal needs while introducing targeted assistance measures to help households manage the impact of tax increases.
Australia and New Zealand similarly operate mature GST systems that are widely regarded as transparent and efficient, supported by strong digital tax administration frameworks.
At the same time, there is no single model that works for every country. Different jurisdictions have adapted their consumption tax systems to reflect their unique economic structures, policy priorities and administrative capabilities.
This highlights an important point where Malaysia does not need to choose between two rigid and competing models. Instead, it can design a system that is tailored to its own economic and social realities.
The previous GST system introduced several features that remain relevant today. One of its key strengths was its broad-based design and credit-offset mechanism, which created visibility throughout the supply chain.
The input tax credit mechanism effectively established an audit trail at every stage of a transaction, helping to reduce tax leakages, unveil the hidden economy and improve compliance.
Many tax administrators globally continue to favour value-added tax systems because their self-policing nature encourages documentation and transparency throughout the economy.
However, Malaysia’s experience also demonstrated that compliance costs, administrative requirements and cash flow concerns must be carefully managed, particularly for small and medium enterprises.
These lessons remain valuable and should inform any future tax reform discussions.
Similarly, SST continues to offer several practical advantages. Many businesses perceive SST as simpler to administer due to its narrower scope and fewer reporting requirements.
Compared to a full GST regime, SST may reduce compliance obligations for certain businesses and sectors, particularly smaller enterprises that may have limited administrative resources.
Nevertheless, SST also has inherent limitations. Without a comprehensive credit-offset mechanism, tax costs may become embedded within supply chains, potentially leading to cascading effects and reduced transparency in certain circumstances.
In addition, a narrower tax base may limit revenue collection opportunities compared to more comprehensive consumption tax systems.
A GST-SST combo?
This is where the concept of a hybrid GST-SST model may merit further consideration.
Rather than viewing GST and SST as mutually exclusive options, policymakers could explore how selected features from both systems can be combined to create a framework that preserves simplicity while enhancing efficiency and compliance.
For example, Malaysia could retain SST structures for certain sectors where they continue to operate effectively, while introducing GST-like credit mechanisms for specific transactions or industries where tax cascading presents a material challenge. The objective would not be to increase the tax burden on businesses or consumers. Rather, it would be to design a tax system that improves efficiency, reduces leakages and enhances overall economic competitiveness.
Importantly, the environment today is fundamentally different from when GST was first introduced in Malaysia.
One of the most significant developments is the nationwide implementation of e-invoicing. The introduction of e-invoicing has the potential to transform tax administration in ways that were simply not possible a decade ago.
Through near real-time transaction reporting, businesses and tax authorities can benefit from greater transparency, improved data accuracy and enhanced compliance monitoring.
When combined with advanced data analytics and artificial intelligence, e-invoicing creates opportunities for a smarter and more efficient tax ecosystem.
Tax authorities can identify anomalies more quickly, assess compliance risks more effectively and reduce opportunities for fraud and tax evasion.
Equally important, businesses can benefit from greater automation, streamlined reporting processes and reduced administrative duplication.
In many jurisdictions, digitalisation has become a key enabler of modern tax systems.
Countries across Europe, Latin America and Asia have increasingly adopted electronic invoicing and digital reporting frameworks to strengthen tax collection and improve taxpayer experience.
Malaysia’s e-invoicing initiative therefore provides a strong foundation for considering innovative approaches to future tax reform.
Fairness, inclusivity
Any discussion on tax reform must also remain grounded in considerations of fairness and inclusivity. Protecting the interests of the B40 and M40 segments should remain a central policy objective.
Public acceptance of any tax reform will depend significantly on whether households perceive the system as equitable and whether adequate safeguards are in place to manage cost-of-living concerns.
This may include targeted exemptions, relief measures, zero-rated supplies, or direct assistance programmes designed to ensure that essential goods and services remain accessible and affordable.
Ultimately, a successful tax system is not measured solely by the amount of revenue it generates.
It should also be evaluated based on its transparency, efficiency, fairness, administrative practicality and ability to support long-term economic growth.
The Prime Minister’s proposal to explore selected GST features within the SST framework should therefore be viewed as an opportunity to have a pragmatic and forward-looking discussion on Malaysia’s fiscal future.
The objective should not be to revisit historical debates or choose one system over another for ideological reasons.
Rather, it should be to develop a consumption tax framework that reflects Malaysia’s current realities, leverages modern technology, supports economic competitiveness and provides sustainable revenue for future generations.
A well-designed hybrid GST-SST model could offer a uniquely Malaysian solution: one that combines the transparency and efficiency of GST with the practicality and simplicity of SST, while harnessing the transformative potential of e-Invoicing and digital tax administration.
As Malaysia continues its journey towards becoming a high-income and innovation-driven economy, the focus should not be on whether GST or SST is superior.
Instead, it should be on building a tax system that is fit for purpose, supports national development objectives and delivers long-term benefits for businesses, consumers and the nation as a whole.
Jalbir Singh Riar is the president, World Sikh Chamber of Commerce Malaysia, tax partner, Ernst & Young Tax Consultants Sdn Bhd
