Lord Tu’ivakanō had his case adjourned for the third time since he first appeared in court on March 26.
The former Speaker and Prime Minster appeared in court last month and is expected to reappear in court on June 25.
Reports said the noble’s legal counsel was not in Tonga when he was due to appear at a Magistrate Court.
In a separate court case, MP ‘Akosita Lavulavu and her husband former government minister and MP ‘Etuate Lavulavu had their case adjourned for the third time to June 25.
The Lavulavus appeared at the Fasi Lower Court on May 28.
Their case had been adjourned to allow for the defence to submit documents in relation to their charges.
The Lavulavus are charged with three counts each of knowingly dealing with forged documents and three counts of obtaining credit by false pretences.
This relates to a number of irregularities in an audit of the ‘Unuaki ‘o Tonga Royal Institute in 2016.
Prime Minster ‘Akilisi Pōhiva fired MP ‘Akosita from her ministerial post as a result of the case.