Britain's public spending watchdog is warning that the country's taxman must become a "smart customer" in its dealings with technology service providers contracted to create a "single trade window" for post-Brexit border arrangements already beset by delays.
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HMRC has contracted Deloitte and IBM to deliver its 'single trade window' (STW) plans to replace a patchwork of systems that manage and record cross-border trade.
In a report published today, the National Audit Office said the program's goals and timescales are "overly optimistic and continue to underestimate the complexity of what is required."
Thew scheme has already fallen several months behind the timetable in HMRC's previous business case of February 2023, the NOA pointed out.
