Whether any of the three set-top box suppliers who received orders from the Universal Services Access Agency of South Africa (USAASA) on 6 August 2015 is taking legal action against (i) USAASA and/or (ii) his department for the cessation of their assembly processes; if so, what are (a) the terms of reference of the specified legal actions and (b) the responses of (i) USAASA and (ii) his department?