Section 50 provides that the validity of any act of a member of the Scottish Executive or junior Scottish Minister is not affected by any defect in his nomination by the Parliament or in the Parliament’s agreement to his appointment. It would not, therefore, be possible to challenge the acts of a Minister on the basis, for example, that his or her nomination or appointment was not made in accordance with the Scotland Act or Standing Orders.
Commentary Part II: the Scottish Administration Details of Provisions