s 150 Further provision about regulations under section 149
(1) Regulations under section 149 may require a person (“A”) included in— (a) a pharmaceutical list, or (b) a list under section 132(3) (provision of drugs, medicines or listed appliances), not to employ or engage a person (“B”) to assist him in the provision of the service to which the list relates unless B is included in a list mentioned in subsection (2). (2) The lists are— (a) a list referred to in subsection (1), (b) a supplementary list, (c) a list under section 91, 106 or 123, (d) a list under section 146 or a list corresponding to a list under section 91 prepared by a Primary Care Trust by virtue of regulations made under section 145, (e) a list corresponding to a list mentioned in any of paragraphs (a) to (d) prepared by a Local Health Board under or by virtue of the National Health Service (Wales) Act 2006 (c. 42), or, in any of the cases in paragraphs (a) to (e), such a list of a prescribed description. (3) If regulations do so require, they— (a) need not require both A and B to be included in lists prepared by the same Primary Care Trust, but (b) may, in particular, require that both A and B be included in lists prepared by Primary Care Trusts.