7Ascertaining points and other matters

#### 7 Ascertaining points and other matters 7 Ascertaining points and other matters > > (1) The position on the surface of the Earth of a point, line or area that is necessary to be determined for the purposes of this Act (other than Schedule 2), or of any order, instrument or notification under this Act, is to be determined by reference to the Geocentric Datum of Australia within the meaning of the [Surveying and Spatial Information Act 2002](/view/html/inforce/current/act-2002-083). > > > (2) The points of latitude and longitude referred to in Schedule 2 are to be determined by reference to a spheroid having its centre at the centre of the Earth and a major (equatorial) radius of 6,378,160 metres and a flattening of 100/29825 and by reference to the position of the Johnston Geodetic Station in the Northern Territory of Australia, which is taken to be situated at 133 degrees, 12 minutes and 30.0771 seconds of East Longitude and at 25 degrees, 56 minutes and 54.5515 seconds of South Latitude and to have a ground level of 571.2 metres above that spheroid. > > **s 7:** Subst 1999 No 30, Sch 2.3. Am 2002 No 83, Sch 2.16; 2005 No 35, Sch 2 \[1\] \[2\]; 2009 No 119, Sch 2.19.