"designated institution"

means—

(a)	a national or provincial department as contemplated in section 7 of the Public Service Act, 1994 (Proclamation No. 103 of 1994);

(b)	an institution, other than an Agency, established for a public purpose by or under an Act of Parliament;

(c)	any other juristic person in respect of which the Minister has authorised the Agency to enter into an agreement for the rendering of services by the Agency to that person;