The Australian Bankers Association may find itself providing a service as a type of ombudsman for businesses with a gripe against their bank.One outcome of a round table in Melbourne on Friday between the minister for small business, Craig Emerson, and bank and business representatives is that the minister is encouraging small business to bring their cases to the government.The government will pass them on to the ABA who will pass them on to the banks.In another sign of the bank response to the public relations irritant created by the latest flap over lending practices Commonwealth Bank over the weekend advertised a reduction in select business lending rates of one quarter of a percentage point.