"controlling authority"
means, in relation to a road, the Administrator concerned: Provided that in relation to any road within the region of a Regional Services Council in the province of Eastern Cape, Northern Cape, North-West or Western Cape, the said Council shall be the controlling authority if the Administrator of that province is satisfied that the said Council is able and willing to carry out efficiently the functions entrusted to a controlling authority under this Act and has authorized that Council in writing to act as such controlling authority; and provided further that the Administrator may at any time withdraw that authorization and thereupon the Administrator shall again be the controlling authority in relation to the road in question;
[Definition substituted by Proclamation 23, Schedule - Item 1(b), in Government Gazette 16340 dated 31 March 1995]