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Offshore Petroleum and Greenhouse Gas Storage Act 2006
41Current datum, previous datum and changeover time
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#### 41 Current datum, previous datum and changeover time
(1) The regulations may declare that, for the purposes of describing, in a title or other instrument under this Act, the position on the surface of the Earth of a point, line or area:
(a) a specified datum is the current datum; and
(b) that datum replaces the previous datum.
(2) The previous datum is:
(a) if a datum is the first datum declared to be the current datum under subsection (1)—the Geocentric Datum of Australia; or
(b) in any other case—the datum that was the current datum immediately before the changeover time.
(3) The changeover time is the time when the declaration takes effect.
(4) Before the first declaration under subsection (1) takes effect, the Geocentric Datum of Australia applies for the purposes of describing, in a title or other instrument under this Act, the position on the surface of the Earth of a point, line or area.