The Australian financial system is unlikely to return to the sort of credit market conditions that prevailed before the financial crisis, Westpac group treasurer Curt Zuber said yesterday."We won't see the days of 12 per cent or 13 per cent credit growth again," said Zuber, who was speaking at the Australasian Finance and Banking Conference in Sydney yesterday."New rules will impose constraints on maturity transformation."The new rule that the banking industry will be coming to terms with next year is the Basel III liquidity coverage ratio, which requires banks to hold sufficient high quality liquid assets to allow them to operate for 30 days without access to financial markets. The LCR rules take effect in 2015.Zuber said the banks have done most of the "heavy lifting" in preparation for this change. They have increased the proportion of their lending supported by customer deposits and reduced their reliance on short-term wholesale funding."We have a much more balanced risk-reward trade off in our maturity transformation," he said.He said much of the cost of this change, in the form of higher deposit and loan pricing, was already in the system. However, there will be more changes next year."Different deposits will have different prices," he said.This year, several banks, including Westpac, introduced notice accounts. These are a hybrid between an at-call account and a term deposit, - paying relatively high floating rates and requiring depositors to give at least 31 days' notice before withdrawing funds.Banks will pay a premium for stable deposits and less for "hot" money. Zuber said: "There will be pricing changes in deposits. It could be rocky. Every bank will want to defend its turf."