Ian Mellowship fit to plead in case involving threats to harm Treasurer Josh Frydenberg

Her comments came as the ACT Magistrates Court heard police would likely enquire with Josh Frydenberg about whether the politician wanted to provide a victim impact statement.

The senior Liberal's would-be assailant, Ian Stewart Mellowship, leaned back in a chair with his arms folded as he appeared in court via audio-visual link Canberra's jail on Monday afternoon.

The West Australian had previously pleaded guilty to two counts of threatening to harm Mr Frydenberg, as well as a charge of trespassing at the federal Treasury building in the ACT suburb of Parkes.

Those charges have since been withdrawn and replaced with almost identical allegations, to which Mellowship is yet to enter pleas given the uncertainty that arose about his fitness.

On Monday, Chief Magistrate Lorraine Walker said the court had recently received an expert report that led her to believe Mellowship was indeed fit to plead.

She asked those involved in the case what should happen next, prompting Legal Aid duty lawyer Tanja Cobden to flag an intention to apply for the charges to be dismissed on mental health grounds.

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Ms Cobden has previously said Mellowship seemed to have been "experiencing some concerns or delusions in relation to the Treasurer" at the time in question, which was between May and July.

Ms Walker accordingly directed Ms Cobden and federal prosecutor Cecilia Pascoe to provide written submissions in October, ahead of a sentencing date the following month.

She also listed Mellowship, who has been behind bars on remand since late July, for a third bail application this Wednesday morning.

Ms Pascoe has previously told the court the West Australian admitted to police that he had got on a plane to the ACT "specifically to flog the Treasurer, in his words".

The prosecutor has said Mellowship was ordered to leave Parliament House and the Treasury building five times before his arrest.

"The defendant has stated that he won't be leaving Canberra until the job is done; the job being assaulting the Treasurer," Ms Pascoe has told the court.

Mellowship was highly animated while representing himself when he first appeared in court in July, but he has been noticeably subdued on subsequent occasions.

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