By Rhodri Morgan The new owner of failed battery start-up Britishvolt faces a near £8m tax bill in his home country of Australia, where one of his companies has been accused of having an “an intentional disregard of a taxation law”. David Collard is facing a string of creditor claims for outstanding funds after his company Sanitex was ordered into liquidation, according to a report in The Sunday Times. A recent report by Sanitex’s liquidator revealed the firm faced an A$15m (£7.8m) tax bill from the Australian Tax Office, 63 per cent of which was a fine relating to “an intentional disregard of…