Section 115 of the Sentence Administration Act 2003 (WA) excludes procedural fairness obligations from decisions to suspend or cancel parole. Breach of the Board's statutory obligations under s 107B (notice and reasons) does not constitute jurisdictional error or non-jurisdictional error on the face of the record sufficient to enliven certiorari. The Board's adoption of an inflexible 'no hearing' policy is unlawful but does not invalidate individual decisions where the Act does not require the Board to consider providing an oral hearing as a condition of valid exercise of its powers. Challenges to the Board's factual findings framed as allegations of irrelevant considerations, failure to consider relevant matters, or Wednesbury unreasonableness will be treated as impermissible challenges to findings of fact.
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