Year	Information
1997	Referendum of SPSF members to amalgamate with the Public Sector Union (Federal public service union) forming the CPSU-SPSF.
1995	PSA wins demarcation battle over employees of the Roads and Traffic Authority of NSW (now part of Service NSW). The stoush had been going since the 1970s, when the Awards were divided by gender: the PSA represented female employees and their Award; and the Australian Transport Officers’ Federation (ATOF) represented the male employees Award. The issue went through the Industrial Relations Court, The Australian Industrial Relations Commission, and finally the High Court of Australia. In March 1995 the PSA began representing all staff in the department.
1994	The PSA and Professional Officers Association (POA) amalgamate.