Darcy, 46, had her case called in Tamworth Local Court earlier this week where magistrate Julie Soars adjourned her matter for three months.

Court documents show prosecutors could progress the case on the next occasion after the brief of evidence is finalised against Darcy, and she has been ordered to appear via video link from custody.

The case will go back to Tamworth Local Court in February next year.

Two counts of acting with the intent to pervert the course of justice have been levelled against Darcy after Oxley detectives in Tamworth charged her in late July.

She has not yet been required to enter pleas.

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Police allege Darcy offered another woman $20,000 in a letter written from prison, asking her to fabricate evidence in what was then Darcy's upcoming murder trial.

Police claim she penned a second letter while behind bars to the same woman, offering her "further money" to fabricate evidence in the Supreme court murder trial.

Police allege both offences were committed in Silverwater in the early hours of the morning, between 2am and 3am, at times when Darcy was in custody.

She was facing a murder charge at the time, after her sheep grazier partner was found dead in his bedroom at his 'Pandora' property in Walcha on August 2, 2017.

The fresh matter was first mentioned in court in August and prosecutors were ordered to compile a brief of evidence in the case against Darcy.

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