The filing system went down last week on the worst possible day of the year,
with the taxman in the dark as to what went wrong.
‘HMRC cannot afford to take months to work out what the problem was. It needs
to pin it down quickly and make a clear statement saying what went wrong,’ said
ICAEW tax faculty chairman
The failure of the systems has been a disaster for
HMRC, which has had
several years without serious glitches, but still faces searching questions
about its IT capability.
The fear among advisers is that it was new technology implemented by HMRC
rather than legacy systems that failed. If this was the case, the implication is
that the technology was not adequately tested despite assurances in the Carter
Review that rigorous testing would underpin the taxman’s growing reliance on
The online filing system for self-assessment returns went down on Thursday
morning and full service was only restored late in the afternoon, forcing the
taxman to extend the filing deadline as thousands were unable to file their
Close to 50,000 people had to use the extra day and weekend to push through
The online filing systems for the Construction Industry Scheme, Corporation
Tax, PAYE, Pension Schemes and Stamp Taxes also suffered delays, as the systems
buckled under the deluge of filings.
The fault almost certainly lay with HMRC’s systems as those using third-party
systems did not encounter problems.
‘It’s completely unacceptable that a State-operated system catering for the
entire population can’t cope with an estimated 150,000 to 200,000 filings in one
day, whereas large corporate IT systems regularly cope with volumes vastly in
excess of this,’ said Baker Tilly’s head of tax George Bull.
The revelation of the delay has drawn immediate criticism. The taxman has
apologised for the problems. ‘HMRC takes any disruption of service very
seriously and to reflect this, it announced that no-one who files their tax
self-assessment electronically or by paper by midnight Friday 1 February 2008
will face a penalty,’ an HMRC statement said.
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