Lawyers for the 33-year-old Wollongong man lodged their request for a judicial review with the Denpasar District Court late last week, AAP has learned.
Stephens was caught at Bali airport on April 17, 2005 with 2.9kg of heroin strapped to his legs and stomach.
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He was sentenced to life in prison, a sentence later upheld by the High Court and Supreme Court.
The judicial review request cites new evidence in the form of a letter from the Australian Federal Police stating Stephens was a "minor" player in the plot.

