Persons who may be visited and interviewed by an IMHA for the purpose of providing help to a Welsh qualifying compulsory patient admitted under section 4 (admission for assessment in cases of emergency) of the Act

6.  In the case of a Welsh qualifying compulsory patient who has been admitted for assessment under section 4 of the Act, the IMHA may visit and interview—

(a) the approved mental health professional or nearest relative who made the application for admission in accordance with section 4(2) of the Act; and

(b) the doctor who provided the medical recommendation in accordance with section 4(3) of the Act,

where the persons specified in (a) and (b) are not also professionally concerned with the medical treatment of the Welsh qualifying compulsory patient.