Vietnam’s Tax Overhaul Is Already in Effect. Here Is What Small Businesses Need to Know.
The amendments are retroactive. The thresholds are flexible. And the clock started on January 1.
Vietnam moved fast. On April 24, 2026, the National Assembly passed a sweeping set of tax amendments touching personal income tax, value-added tax, corporate income tax, and special consumption tax. The law took effect on adoption. More significantly, the core provisions on PIT, VAT, and CIT apply retroactively from January 1, 2026, which means businesses are not waiting for a future compliance date. They are already inside it.
For household enterprises, micro businesses, and individual entrepreneurs operating across Vietnam, this is the kind of legislation that demands attention now, not at year-end.

Why This Matters More Than a Routine Tax Update
Vietnam’s tax reform conversations have been building for some time, but this round of amendments carries a specific character. Rather than adjusting fixed rates, the framework grants government authorities the power to set annual revenue thresholds below which taxpayers may be exempt from VAT, PIT, and CIT entirely.
The defining feature is flexibility: thresholds are not locked in at the legislative level.
That flexibility is the defining feature here. Thresholds are not locked in at the legislative level. They are adjustable, tied to macroeconomic conditions and fiscal capacity, which means they can shift as the economic environment changes. For business owners accustomed to planning around fixed exemption ceilings, this introduces a new variable into compliance strategy.
The practical upside is real. When revenue conditions are difficult, exemption thresholds can be raised administratively without requiring the National Assembly to legislate every adjustment. That is a more responsive mechanism than Vietnam’s small business sector has historically worked with.
How the CIT Brackets Shape the New Limits
On corporate income tax, the amendments do not exist in a vacuum. Vietnam already operates a tiered CIT structure. Businesses with annual revenue at or below roughly $113,000 are taxed at 15 percent. Those earning between that figure and approximately $1.9 million face a 17 percent rate.
The new law allows the government to set a CIT exemption threshold, but caps that authority below the first bracket ceiling. In practical terms, authorities can grant exemptions for the smallest enterprises without disrupting the broader CIT structure. Any move to raise that cap above the current ceiling requires National Assembly approval, which is a meaningful constitutional guardrail.
It keeps the government’s discretion bounded.
It keeps the government’s discretion bounded. That matters for planning purposes because it defines the space in which future administrative decisions can operate without legislative intervention.
Household Businesses and the Informal Sector
The VAT and PIT changes are explicit in who they target. The amendments extend relief directly to household businesses and individual entrepreneurs, a sector that has long operated in a gray zone between formal registration and informal trade. Vietnam’s economy carries a significant layer of this activity, particularly in food, retail, services, and small-scale manufacturing.
This is one of the more consequential parts of the reform, even if it is less discussed in financial commentary. Bringing semi-formal operators into a structured exemption regime, rather than simply taxing them at standard rates when they surface in enforcement actions, changes the incentive to formalize. Complying becomes less costly. The threshold mechanism means smaller operators are not immediately hit with full statutory rates the moment they register.
Whether that translates into measurable formalization will depend on how agencies implement and communicate the thresholds, and on what the exemption floors are actually set at once implementing decrees are issued. Those decrees have not yet been published as of this writing.
Electric Vehicles and the Special Consumption Tax Roadmap
The special consumption tax amendments address a separate policy priority. Battery electric vehicles with fewer than 24 seats retain preferential SCT treatment under the new framework, but the legislation introduces a staged roadmap for gradual rate increases over time.
This signals something important for anyone tracking Vietnam’s EV market. The government is not removing the preferential treatment, but it is signaling that the current incentive structure has a defined arc. Buyers and manufacturers now have visibility into a trajectory rather than an open-ended benefit.
That staged approach tends to accelerate near-term purchasing decisions. Consumers who were considering an EV purchase in the medium term have a reason to move that timeline forward. For manufacturers and distributors, it sets a planning horizon.
The specific rate figures and the timing of each staged increase are among the details still pending from implementing guidance.
What Requires Further Clarity
Several elements of the legislation remain subject to implementing decrees that have not yet been issued. The exact exemption thresholds for VAT, PIT, and CIT have not been publicly confirmed at the revenue levels the government intends to set. The specific agencies responsible for publishing and adjusting those thresholds, the SCT timetable for BEVs, and any transitional provisions for businesses that have already filed for the January to April 2026 period are outstanding questions.
The retroactivity provision is the most immediate compliance risk.
The retroactivity provision is the most immediate compliance risk. Businesses operating between January 1 and April 24, 2026, were doing so under a different legal framework, or at least a different expectation of one. The amendments change that retroactively, which may create both opportunities and obligations depending on how a business’s revenue falls relative to the thresholds once they are confirmed.
Tax advisors and legal counsel are the appropriate channel for navigating that exposure. The law is passed. The implementing guidance is the next critical document to watch.
A Framework Built for Flexibility, Not Certainty
This is not a reform that gives businesses a clean, simple answer. It gives Vietnam’s government a more adaptable set of tools, which is a different thing entirely.
The design is deliberate. Revenue-based exemption thresholds that can be adjusted administratively are more nimble than fixed statutory rates, but they also require businesses to stay current with regulatory developments rather than planning around a static framework.
For Vietnam’s small business community, the amendments represent genuine structural relief, particularly for household operators who have previously sat outside formal exemption regimes. The shape of that relief will become clearer once the implementing decrees arrive. Until then, the law is in force, the retroactive date has passed, and the planning conversation should already be underway.







