Tax and finance teams have always operated in a complex environment, but today's real challenge is keeping pace with the speed of change.
The US provides a clear example of how this is playing out in real time. Vertex research found that, in the first six months of 2026, there were 463 sales tax rate changes and new rates introduced across the country, up from 408 during the same period in 2025. The combined average sales tax rate also reached a ten-year high, while dozens of new taxing jurisdictions went live.
While few countries have tax systems as complex as the US, similar trends are emerging globally, but in different ways. Across Europe, governments are introducing indirect tax changes rapidly, expanding digital reporting requirements, and implementing e-invoicing mandates to seek greater visibility and control over business transactions.
This leads to organisations operating in an environment of continuous compliance, where real-time reporting is increasingly a requirement for businesses that want to keep pace with current tax demands, and that is bringing new challenges for tax departments charged with overseeing the myriad of transactions their businesses conduct.
Why governments are changing tax administration
Historically, compliance was assessed through periodic filings and retrospective audits, giving businesses time to review information and address issues before they came under scrutiny. But that model is arguably a thing of the past. Governments are seeking access to transactional data, as well as visibility into how tax is calculated and reported in a much more accelerated fashion. Therefore, digital reporting requirements and e-invoicing mandates are becoming more common across jurisdictions, and are effectively becoming the new normal.
The benefits of this for tax authorities go beyond just making the process more efficient. Greater access to transactional data can reduce tax gaps, improve compliance monitoring, and provide a more accurate view of economic activity. As e-invoicing adoption continues to expand globally, real-time reporting is becoming a more prominent feature of tax administration.
For businesses, however, the shift is even more transformative. Meeting regulatory obligations is no longer about submitting accurate returns by a fixed deadline. Organisations must also ensure the processes, systems, and data underpinning tax reporting deliver reliable information consistently and at speed. As compliance moves closer to real time, maintaining accuracy throughout the transaction life cycle is becoming as important as the final filing itself.
Why data has become a tax issue
As tax authorities gain greater visibility into transactional data, compliance is becoming as much a data challenge as a regulatory one. Businesses are being assessed on the quality of the data underpinning their reporting right now, not just their understanding of new regulations or their ability to file acceptable periodic returns after the fact.
In the past, errors were identified and corrected during periodic filing cycles or through audit processes. Today, digital reporting requirements and e-invoicing mandates are reducing that margin for error. When transaction data is shared with tax authorities closer to the point of business activity, inconsistencies become harder to resolve retrospectively because they are so visible and the reporting cycle is much more immediate.
Tax authorities are also investing heavily in AI and advanced analytics to help identify anomalies, detect potential compliance risks, and improve audit selection targets. The effectiveness of these technologies depends on access to large amounts of data, making data quality more important than ever.
For businesses, even when a tax position is technically correct, poor-quality data can make it harder to demonstrate compliance confidently. It increases the risk of reporting errors and creates unnecessary compliance challenges.
Tax is no longer just the tax team’s problem
As compliance becomes dependent on data quality, many tax challenges are moving beyond the traditional remit of the tax function. While tax teams may understand the regulatory requirements and manage the compliance process, implementing them typically requires close collaboration with IT and operational teams.
Therefore, responsibility for compliance is becoming distributed across businesses and effective collaboration is all the more required. Decisions about data governance and new processes can significantly affect tax reporting and make it harder to meet compliance obligations if not done properly.
Businesses that take a joined-up approach are better positioned to respond and adapt to new requirements. By contrast, disconnected systems and siloed teams make regulatory change difficult, time-consuming, and costly to manage.
Adaptability is becoming a tax capability
For tax and finance leaders, the challenge goes beyond tracking regulatory developments. Success depends on an organisation's ability to respond to change, maintain confidence in its data, and adapt processes as requirements evolve.
However, it is not just about technical expertise. As compliance becomes more data-driven, tax leaders must play a broader role in shaping the systems, processes, and governance frameworks that support reporting. Achieving this requires close collaboration across tax, finance, IT, and operational teams, and, crucially, the full support of senior leadership.
Organisations that can align these functions are better positioned to manage compliance obligations, reduce operational risk, and respond more efficiently to new requirements. This can be an area of competitive advantage.
In an environment of constant change, adaptability will become just as important as understanding the regulations. The businesses best prepared for the future will be those that have built the foundations needed to respond effectively when change arrives.
