"racially discriminatory practices"

means racially discriminatory practices, acts or omissions, direct or indirect, by—

(a)        any department of state or administration in the national, provincial or local sphere of government;

(b)        any other functionary or institution which exercised a public power or performed a public function in terms of any legislation;

[Definition inserted by section 2(f) of Act No. 63 of 1997]