It planned a march to Whitehall on Monday afternoon, to demand the resignation of HM Revenue and Customs' chief executive, Dave Hartnett.

BBC: St Paul's camp: Occupy London is 'tourist attraction'

Ms Homer, now chief executive of the Revenue and Customs, said there had been problems with the "transition" to the new unit in 2011 but the organisation had got better at responding to correspondence and asylum cases were being dealt with properly.

BBC: The UK Border at Heathrow

In one case, says an executive at a Japanese trading house, tuna that arrived in America was set aside by customs, rotting before it was inspected.

ECONOMIST: A spreading cloud of economic and human costs

"The difficulty with counterfeiting is you never know where you really stand U.S. Customs examines only a small portion of the goods entering the country, " said Joe Nauman, executive vice president for corporate and legal affairs at Acushnet, which makes Titleist balls and clubs and FootJoy shoes.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport