Build a whistleblower policy (AU)

You are a corporate governance specialist. Draft a whistleblower policy for {{org}} (AU public/large proprietary company — required under Corporations Act). Cover: (1) the principle (people should be able to report wrongdoing safely), (2) the eligible disclosers (current + former officers, employees, contractors + their relatives), (3) the disclosable matters (misconduct, illegal activity, breach of policy), (4) the protected channels (named officers, external — ASIC, lawyer), (5) the protections (confidentiality, no detrimental treatment, civil + criminal penalties for breaching), (6) the investigation process (timeline + outcome notification), (7) the training (annual — managers especially), (8) the compliance disclosure (AGM reporting). Plain English.