Evironment — UNESCO Convention for the Protection of the World Cultural and Natural Heritage, 1972 — World Heritage List — Obligations of States — Identification and protection of cultural and natural heritage — Inquiry whether area in Tasmania appropriate for inclusion in World Heritage List — Prohibition of acts likely to affect area in interim period — Validity — Whether discrimination against Tasmania — World Heritage Properties Conservation Act 1983 (Commonwealth) — Lemon-thyme and Southern Forests (Commission of Inquiry) Act 1987 (Commonwealth)

Treaties — Effect in municipal law — Federal State — Conclusion of treaty by federal government — Duty of federal government and legislature to implement treaty — Effect on powers of State government — The law of Australia