Superannuation and interest-only investor loans were both on the list of battleground issues between banks and small business, and between political parties, when the regulators appeared before the Senate Economics Legislation Committee yesterday.ASIC's John Price responded that the wording of the legislation was such that it was "quite difficult" to prove that the financial services were provided to small business employers "on condition" that employees joined the superannuation fund.Secondly, the way the legislation is set up allows the employee - the victim of the conduct - to take action but not the regulator, ASIC.Investor lending also remains under the spotlight. The opening statement from Wayne Byres, APRA Chairman, gave a hint of what to expect: "We have lifted our supervisory intensity in a number of ways, including reinforcing stronger lending standards and seeking in particular to moderate the rapid growth in lending to investors," he said.When pressed for more detail, Byres said the ten per cent benchmark for investor lending applied by APRA was "always going to be seen as a temporary measure - the time is the question is when to remove the restriction.""There are legitimate reasons why a borrower would want an interest only loan but we like to make sure it was not because it was the only type of loan they could afford," Byres explained.