146b31a0-6f5e-45e9-8d50-a41b535667b6 urn:uuid en UTF-8 nonGeographicDataset nonGeographicDataset 2026-01-08T13:29:23 creation ISO 19115 2016 Seas and Submerged Lands Act 1973 MapServer 146b31a0-6f5e-45e9-8d50-a41b535667b6 The Seas and Submerged Lands Act (SSLA) 1973 is the Australian legislation that provides the domestic legal framework for Australia to declare its international offshore maritime zones, as provided for by the United Nations Convention on the Law of the Sea (UNCLOS) to which Australia is a party. Proclamations under the SSLA establish the territorial sea baseline, the territorial sea, the contiguous zone, the exclusive economic zone and the continental shelf. This service depicts official spatial representation of these proclamations. The service includes feature layers: Normal and Straight baselines limits and locations; Contiguous Zone and limit; Territorial Sea Zone and limit; Exclusive Economic Zone (EEZ), limits and locations; Continental Shelf limit and locations. {"type": "Polygon", "coordinates": [[[40.770382, -69.810438], [173.990965, -69.810438], [173.990965, -8.473407], [40.770382, -8.473407], [40.770382, -69.810438]]]} 40.770382 173.990965 -69.810438 -8.473407 Australia Contiguous Zone Continental Georegulation Legislation MapServer Published_External Seas and Submerged Lands Act 1973 web service Seas and Submerged Lands Act 1973 MapServer documentDigital Seas and Submerged Lands Act 1973 MapServer HTML Unnamed resource documentDigital HTML Unnamed resource documentDigital HTML