Document ID: chunk:federal_register_of_legislation:F2016L00302:reg:5
Version: federal_register_of_legislation:F2016L00302
Segment Type: reg
Provision Reference: reg 5
Character Range: 2686–4910

5  Definitions
Note: A number of expressions used in this instrument are defined in the Act, including the following:
(a) the Convention;
(b) territorial sea.
 (1) In this instrument:
Act means the Seas and Submerged Lands Act 1973.
area of the indentation means the area lying between the low‑water mark around the shore of the indentation and a line joining the low‑water marks of its natural entrance points, and includes the area of any island within the indentation as if it were part of the water area.
baseline of the mainland, in relation to a State or the Northern Territory, means:
 (a) for a State (other than Tasmania) or the Northern Territory—the line determined in accordance with sections 7, 10, 11 and 12; or
 (b) for Tasmania—the line determined in accordance with sections 8, 10, 11 and 12.
bay has the meaning given by section 6.
Geocentric Datum of Australia means the datum described in Schedule 1.
historic bay means a bay that is declared by an instrument under paragraph 8(a) of the Act to be an historic bay.
low‑tide elevation has the same meaning as in Article 13 of the Convention.
low‑water means lowest astronomical tide.
mile means an international nautical mile, being 1 852 metres.
straight line means a geodesic line.
 (2) For the purposes of this instrument, the outermost permanent harbour works (other than offshore installations and artificial islands) which form an integral part of a harbour system are regarded as forming part of the coast.
 (3) For the purposes of paragraphs 7(d), 8(d) and 9(d), the low‑water line of a low‑tide elevation must not be taken into account unless a lighthouse or similar installation that is permanently above sea level has been built on the low‑tide elevation.
 (4) For the purposes of this instrument, the position on the surface of the Earth of a point, line or area is to be determined by reference to:
 (a) if the position is to be determined by reference to any of the points of latitude and longitude specified in items 4012 to 4039 of Part 4 of Schedule 2—the International Terrestrial Reference Frame 2000, as defined by the International Earth Rotation Service at epoch 1 January 2000; or
 (b) otherwise—the Geocentric Datum of Australia.