Originated in Australia and New Zealand as AS/NZS 4417.2:1996.Second edition AS/NZS 4417.2:2001.Third edition AS/NZS 4417.2:2009.Fourth edition AS/NZS 4417.2:2012. Originated in Australia and New Zealand as AS/NZS 4417.2:1996. Second edition AS/NZS 4417.2:2001. Third edition AS/NZS 4417.2:2009. Fourth edition AS/NZS 4417.2:2012. Reissued incorporating Amendment No. 1 (April 2013). Reissued incorporating Amendment No. 2 (January 2016). Reissued incorporating Amendment No. 3 (February). Reissued incorporating Amendment No. 4 (June 2017).