First published in Australia as part of AS 1269-1976.Second edition 1979.Third edition 1983.Fourth edition 1989.Jointly revised and redesignated AS/NZS 1269.4:1998.Second edition 2005. Originated in Australia as part of AS 1269-1976. Previous edition AS/NZS 1269.4:1998. Second edition 2005. Reissued incorporating Amendment No. 1 (September 2005).