The stealing trial of West Australian One Nation Senator Rod Culleton may not take place until next year, the Perth Magistrates Court has been told.

The charge relates to an incident involving a $27,000 hire car at a property in the Wheatbelt town of Cuballing in March last year.

The car was being used by two receivers at a farming property which was at the centre of a foreclosure dispute.

Senator Culleton was due to face trial last month but it was postponed because some of the evidence in the case had not been disclosed to the defence.

The matter was listed for a mention today, however the court was told there were currently no dates available this year for a four-day trial.

The case was again adjourned for a further mention in October.

Senator Culleton was not required to attend the court mention.

He picked up one of Western Australia's final two Senate seats when the final voting results were announced in July.