National Australia Bank has been accused of withholding documents and delaying a landmark trial into rate-rigging at three of Australia's biggest banks.

It comes as a trial date is set to make way for further disclosures from the corporate watchdog.

The corporate regulator told a Federal Court hearing on Monday that the bank had failed to hand over all requested documents relating to alleged manipulation of the bank bill swap rate (BBSW) on time.

"They haven't been compliant and they're late," counsel for the Australian Securities and Investments Commission, Noel Hutley, SC, said.