Diamond (Argyle Diamond Mines Joint Venture) Agreement Act 1981Law:A222:atom:currency:withsubsidiary2026-05-05T00:00:00.0000000+08:00Diamond (Argyle Diamond Mines Joint Venture) Agreement Act 1981A222:2011040511372011-04-05T11:37:00.0000000+08:00Diamond (Argyle Diamond Mines Joint Venture) Agreement Act 1981Diamond (Argyle Diamond Mines Joint Venture) Agreement Act 1981PCO Helpdesklegislation@pco.wa.gov.auDiamond (Ashton Joint Venture) Security Regulations 1982S4391:2011050311252011-05-03T11:25:00.0000000+08:00Diamond (Ashton Joint Venture) Security Regulations 1982Diamond (Ashton Joint Venture) Security Regulations 1982PCO Helpdesklegislation@pco.wa.gov.au