In this order –Act means the Housing Land Supply Act 2018 ;applicable area means the area of land declared under clause 4 to be housing supply land;grid reference means the grid reference taken from the Universal Grid Reference System used in Tasmania and based on the Geocentric Datum of Australia (also known as the “the GDA: or “GDA 94”) as defined in the Commonwealth Gazette No. GN 35, 6 September 1995.