Clemencia Barnes, a former rural health services counsellor, had objected to filing tax returns on religious and moral grounds.

Barnes, 68, had filed no tax return since 1996 but had only been charged for a 10-year period, the Launceston Magistrates Court was told previously.

At her hearing last year, where she represented herself, the White Hills woman agreed she had failed to comply with a court order, being to furnish tax returns between 2000 and 2010.

Barnes, however, argued that being true to her god meant she was unable to be part of a system which waged war on innocent young people, so she objected to filing tax returns.

She also claimed her matter should be heard in the High Court and not in a Tasmanian court.

Magistrate Reg Marron found Barnes guilty in December of 10 counts of having failed to comply with a court order.

"There appears to be no intention by Ms Barnes to comply with orders at any stage in the future," he said on Tuesday.

Mr Marron convicted Barnes, fined her $8500 and ordered her to pay $208.55 in court costs.

The maximum penalty on each count is a $5500 fine and/or 12 months' jail.

Barnes has been receiving a pension since 2011.