Senator MILNE (Tasmania—Leader of the Australian Greens) (14:18): Mr President, I ask a supplementary question. The report also suggests that many of the tax office's most experienced staff have since moved to the four big accounting firms, where they now advise the nation's biggest companies on how to minimise their tax. Does the minister accept that the loss of these transfer-pricing experts has posed a serious threat to Commonwealth revenue and a built-in conflict of interest as the tax office outsources company tax audits to them?