11(1)A Commissioner may appoint such officers as he may determine with the approval of the Treasury as to numbers and conditions of service.
(2)The Health Service Commissioner for Wales shall include among his officers such persons having a command of the Welsh language as he considers are needed to enable him to investigate complaints in Welsh.
12Any functions of a Commissioner under this Act may be performed by any officer of the Commissioner authorised by him for that purpose, or by any officer so authorised of another Commissioner or the Parliamentary Commissioner.
13(1)To assist him in any investigation a Commissioner may obtain advice from any person who, in his opinion, is qualified to give it.E+W+S
(2)A Commissioner may pay to any such person from whom he obtains advice under this paragraph such fees or allowances as he may determine with the approval of the Treasury.