means the public service referred to in section 1(1) of the Public Service Act, 1994 (promulgated by Proclamation No. 103 of 1994), and includes any organisational component contemplated in section 7(4) of that Act and specified in the first column of Schedule 2 to that Act, but excluding--
a)
the National Defence Force,
b)
the National Intelligence Agency,
c)
the South African Secret Service, and
d)
the South African National Academy of Intelligence.