Originated as AS 3850.1-1990, AS 3850.2-1990 and AS 3850.3-1992.
AS 3850.1-1990, AS 3850.2-1990 and AS 3850.3-1992 revised, amalgamated and redesignated as AS 3850-2003.
AS 3850—2003 revised and redesignated (in part) as AS 3850.1:2015. Originated as AS 3850.1-1990, AS 3850.2-1990 and AS 3850.3-1992. AS 3850.1-1990, AS 3850.2-1990 and AS 3850.3-1992 revised, amalgamated and redesignated as AS 3850-2003. AS 3850-2003 revised and redesignated (in part) as AS 3850.1:2015. Reissued incorporating Amendment No. 1 (January 2019).