At present, those who are caught out could face a bill for up to 20 years of unpaid tax and interest, plus penalties that can be up to 100% of the amount owed.
Times, Sunday Times (2007)
Ministers say that the measure will help the government to rake in 100 million of unpaid tax.
Times, Sunday Times (2014)
The unpaid tax itself must also be repaid.
Times, Sunday Times (2009)