AI in the Tax Office: Promise and Pitfalls of Algorithmic Administration

In this article, the Technology and Tax Innovation Division at the Hamilton Center delves into the expanding frontier of algorithmic tax enforcement. Drawing from case studies in the U.S., Canada, the U.K., and Estonia, the research explores both the technical capabilities of AI and the governance structures needed to deploy it responsibly.

6/3/20241 min read

From streamlining audits to detecting fraud in real-time, artificial intelligence (AI) is beginning to reshape the way tax agencies operate. As governments grapple with rising workloads, limited staff, and increasing demands for efficiency, the potential for AI in tax administration is growing rapidly. Yet with great promise comes a pressing need to address risks around bias, oversight, and data privacy.

In this article, the Technology and Tax Innovation Division at the Hamilton Center delves into the expanding frontier of algorithmic tax enforcement. Drawing from case studies in the U.S., Canada, the U.K., and Estonia, the research explores both the technical capabilities of AI and the governance structures needed to deploy it responsibly.

“AI can help governments make smarter decisions—but it must be implemented transparently,” said Dr. Erik Johansen, Head of the Technology and Tax Innovation Division. “Without adequate safeguards, these systems risk reinforcing existing inequalities or undermining taxpayer confidence.”

Key Insights from the Report:

  • Fraud Detection & Risk Scoring: Many tax authorities are using machine learning to flag high-risk returns or suspicious refund claims, increasing audit precision while reducing burdens on compliant taxpayers.

  • Chatbots & Digital Assistance: AI-powered agents are improving taxpayer services by answering common questions, helping users file returns, and reducing call center backlogs.

  • Audit Selection Algorithms: Automated systems now help allocate limited audit resources by analyzing complex patterns in taxpayer behavior. However, without transparency, they risk becoming “black boxes” with unclear logic.

Voices from the Field:

The article includes interviews with revenue officials from pilot programs in New York State and the HMRC in the U.K., sharing experiences with AI implementation and lessons learned from early missteps.

“We saw initial improvements in efficiency, but had to recalibrate when we noticed disproportionate audit flags in certain communities,” noted a program lead from a U.S. state tax agency.

Building Responsible AI Policy:

The Hamilton Center’s analysis emphasizes that AI adoption in tax must be accompanied by:

  • Strong data governance and audit trails

  • Public disclosure of algorithmic criteria

  • Ethics reviews and impact assessments

  • Appeal mechanisms for AI-based decisions

As the IRS and other global tax bodies move toward digital transformation, this article serves as a call to action: embrace innovation—but do so with integrity. A smarter tax system is within reach, but public trust must be its foundation.