The National Assembly for Wales may direct a Local Health Board to exercise in relation to its area any supervisory functions which are specified in the direction.

Directions under this paragraph must not preclude the National Assembly from exercising the functions specified in the directions.

In this paragraph “supervisory functions” means functions which the National Assembly have as supervisory body, so far as they are exercisable in relation to hospitals (whether NHS or independent hospitals, and whether in Wales or England).