The former chairman of the Financial Regulator says it was not the first line of defence in the crisis - but still gave the banks a hard time.
Brian Patterson has been giving evidence at the Banking Inquiry today.
Mr Patterson has admitted that he and the other directors did not have enough training in how to govern banks.
But he says that did not mean they were a pushover either:
He also told the inquiry he "regrets" that senior bankers were present at his retirement party.
Mr Patterson says he did not organise his retirement event and did not know that top bankers would be there.
The private social event took place in November 2008 - just a few weeks after the bank guarantee was introduced.
Mr Patterson says the event had been planned before the bank guarantee was introduced: