Originated in New Zealand as NZS 5428:1996 and part of NZS 5261:2003.Originated in Australia as part of AS 5601—2004.Previous and first joint edition AS/NZS 5601.2:2010.Second edition 2013. Originated in New Zealand as NZS 5428:1996 and part of NZS 5261:2003. Originated in Australia as part of AS 5601-2004. Previous and first joint edition AS/NZS 5601.2:2010. Second edition 2013. Reissued incorporating Amendment No. 1 (May 2016). Reissued incorporating Amendment No. 2 (March 2017). Reissued incorporating Amendment No. 3 (September 2018).