The Liberal Democrat leader was paid regular monthly sums by three senior businessmen during 2006.
The same account was used to pay his mortgage, shopping and other personal expenditure, documents seen by this newspaper show.
Sir Alistair Graham a former chairman of the Committee into Standards in Public Life described the arrangement as 'irregular.' He goes on to say:
Given that he’s been very holier than thou about these things, it would seem he has some explaining to do to his party and the electorate. One would expect donations to be paid to a party account – that would be the most straightforward arrangement. It would now make sense for someone independent to check these accounts.
I wonder how the Liberal Democrats will spin this one