Britain's Sportech plc saw its share price drop by more than 10 per cent Thursday after the company reported that the UK tax authority had won the right to appeal a value-added-tax repayment claim.

The company has been in dispute with Her Majesty's Revenue & Customs (HMRC) since 2009 when it filed a £40m repayment claim for overpaid VAT relating to its 'Spot the Ball' game between 1979 and 1996.

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