Town and country planning - Planning authority - Planning scheme - Amendment - Validity - Proposed site-specific amendment - Notification requirements - Minister acting as planning authority - Powers - Discretion - Self-exemption from notification requirements - Minister's opinion that compliance with notification requirements not warranted - Minister's opinion as to interests of Victoria or any part of Victoria making exemption appropriate - Approval of amendment after self-exemption - Distinction between antecedent opinion favouring exemption and opinion favouring amendment - "Public interest" - Planning and Environment Act 1987 (No 45) ss 8 12 17 18 19 20 39.

Administrative law - Judicial review - Grounds - Discretionary ministerial decision - Unreasonableness - Planning scheme amendment devoid of any plausible justification.

Administrative law - Judicial review - Reasons for decision - Discretionary ministerial decision - No statutory duty to give reasons - Minister providing reasons in keeping with administrative protocol - Minister bound by reasons - Limited scope for admission of other elucidatory material - Public release of supporting documents - Dispute as to ascertainment of minister's reasons.

Town and country planning - Planning permit - Proposed landfill on former quarry site for solid inert waste - Legislative and policy framework for siting and developing landfills - Municipal council refusal of permit - Review by Victorian Civil and Administrative Tribunal - Tribunal's consideration of need for further landfill capacity inconsistent with legislative and policy framework - Waste Management Policy (Siting, Design and Management of Landfills) 2004 - Towards Zero Waste Strategy 2005 - Best Practice Environmental Management Guideline (Siting, Design, Operation and Rehabilitation of Landfills) 2010 - Metropolitan Waste and Resource Recovery Strategic Plan 2009 - Environment Protection Act 1970 (No 8056) ss 16A 19B 50B 50BA 50BC - Planning and Environment Act 1987 (No 45) ss 77 84B(2) 84B(2)(e) - Victorian Civil and Administrative Tribunal Act 1998 (No 53) s 148.

Administrative law - Judicial review - Grounds - Irrationality and illogicality - Decision-making power not requiring the decision-maker to reach a state of satisfaction about a specified matter - Failure to give proper, genuine and realistic consideration to the merits of the case.

Administrative law - Merits review - Constitution of tribunal - Remitter following judicial review - Differently constituted tribunal for rehearing - Guiding principle.