Archive notice: This article was published in July 2023 and discusses the NAO report on Making Tax Digital. Some figures and timelines may have been updated since publication. For current MTD thresholds and deadlines, see our MTD for Income Tax guide.
Making Tax Digital: The Rising Costs and Challenges
Introduction
Making Tax Digital (MTD), the ambitious initiative by HM Revenue & Customs (HMRC) to digitise the UK tax system, has seen its costs spiral to £1.3bn, more than £1bn above the original budget of £226m, according to a report by the National Audit Office (NAO). The report highlights the challenges and criticisms faced by the initiative, providing a comprehensive overview of the issues that need to be addressed.
Criticisms and Challenges
The NAO report criticises HMRC for setting unrealistic ambitions and timescales — the original plan, announced in 2016, aimed to introduce MTD by 2020. However, the report found that HMRC had underestimated the complexity involved in moving from its legacy systems and had not fully understood the scale of the challenge of moving data and systems when it prepared its initial business case. For more information on the challenges of Making Tax Digital, check out our MTD for Income Tax guide.
Costs Incurred by Taxpayers
The report also highlights the significant costs taxpayers incur to comply with MTD. In its May 2022 business case, HMRC forecasted total net ongoing costs to taxpayers of around £900m over five years. However, the NAO found that HMRC excluded significant upfront costs of £1.5bn to VAT and self-assessment taxpayers from the business case’s cost-benefit analysis. These costs are related to taxpayers updating their systems and obtaining tax advice.
Transparency and Accuracy Concerns
The omission of these costs from the business case raises serious questions about the transparency and accuracy of HMRC’s cost-benefit analysis. The NAO report suggests that if these costs had been included, the combined cost to the government and taxpayers of proceeding with MTD for self-assessment would have exceeded the forecast additional tax revenue.
Unrealistic Timeline for MTD Implementation
The report also criticises HMRC’s original 2016 plan to introduce MTD by 2020 for VAT, self-assessment, and corporation tax as unrealistic. HMRC expected MTD to generate an annual return of £600m in additional tax revenue from VAT and self-assessment by 2020-21. It now expects to reach this level in 2027-28, a significant delay from the original timeline. For a more detailed overview of MTD deadlines, see our MTD deadline calendar.
Delays in Implementation
The delay in implementing MTD for self-assessment is attributed to various factors. These include delays in delivering MTD for VAT, which reduced HMRC’s capacity to build its self-assessment system and support commercial software development, as well as the impact of Brexit and the pandemic.
Limitations of the MTD Pilot
The NAO report also highlights the pilot’s limitations for MTD for self-assessment. HMRC had forecast that more than 15,500 business taxpayers would join the pilot. However, around a thousand taxpayers wanted to sign up for the pilot. Still, most were ineligible, leaving only 15 participants when the pilot was closed to new entrants. The pilot has now been put on hold and is being reviewed by HMRC.
Recommendations and Technical Issues
In response to these criticisms, the NAO recommends that HMRC prepare a separate business case for MTD for self-assessment. This would allow decision-makers to understand the full range of options’ costs, benefits, and delivery risks. The report also emphasises the need for greater clarity on how different groups of business taxpayers are affected.
The report also identifies several technical issues that need to be resolved. These include how taxpayers with different year-ends or jointly-let property, or those represented by multiple agents, can report under the system. It also calls for an effective pilot to demonstrate how the arrangements would work in practice for taxpayers, their agents, and HMRC.
Conclusion
While the MTD initiative represents a significant step forward in modernising the UK tax system, it is clear that challenges need to be addressed. The criticisms highlighted in the report provide valuable insights into these challenges and offer a roadmap for overcoming them. With careful planning and execution, MTD has the potential to deliver on its promise of making tax administration more effective, efficient, and easier for taxpayers. However, it is crucial that HMRC addresses these criticisms and ensures transparency in its cost-benefit analysis to maintain the initiative’s credibility.
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