HI guys

I came across an interesting query on site today. The registered person is claiming that the socket outlets in the building have to be switch socket outlets and not just a socket outlet, however when I asked him where in the SANS 10142-1 does it specifically explain this, he gave my a very confusing explanation about "any socket outlet that is rated at more than 16A must have a isolating switch positioned next to it"
When I went home to check the regulations there is nothing in that section that says that. (Section 6.15) There is a note that says a Socket Outlet in a DC circuit shall be controlled by a switch that is fixed next to it. But is doesn't say anything about an AC circuit. Could anyone give me any clarification on this?