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However, where Australia\u2019s proximity to another nation requires a reduced EEZ the extent of the EEZ is fixed by reference to defined geographic coordinates in the proclamation. \n\nFor many operational matters, Australia acts as if the EEZ limit in the unratified 1997 Perth Treaty Between Australia and Indonesia* was in force A dataset depicting this line is supplied as \u201cExclusive Economic Zone as amended by the Perth Treaty\u201d\n\n*the Treaty between the Government of Australia and the Government of the Republic of Indonesia establishing an Exclusive Economic Zone Boundary and Certain Seabed Boundaries (Perth, 14 march 1997) [1997] ATNIF 9 - (not yet in force).\n\nThis release is the latest data for the Australian Maritime Boundaries (AMB) and is a component of the Seas and Submerged Lands Act (SSLA) 1973.", "geometryType": "esriGeometryPolyline", "sourceSpatialReference": { "wkid": 4283, "latestWkid": 4283 }, "copyrightText": "© Commonwealth of Australia (Geoscience Australia) 2021. 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