The Minister may make an authorisation under section 25A of the Act in respect of a narcotic substance, or a class of narcotic substances, in the following circumstances:

(a) where the registered nurse in respect of whom the authorisation is made is employed in a palliative care service approved by the Secretary;

(b) where the registered nurse or midwife is employed in a community health centre approved by the Secretary at which it is impractical for a medical practitioner to attend and the nurse or midwife is acting in accordance with the instructions of a medical practitioner;

(c) where the registered nurse or midwife is employed in a medical institution approved by the Secretary at which it is impractical for medical practitioners to attend after hours and the nurse or midwife is acting in accordance with the instructions of a medical practitioner;

(d) where the registered nurse or midwife is in charge of a day-treatment centre approved by the Secretary and is administering or supplying a narcotic substance in respect of a patient in the centre in accordance with the instructions of a medical practitioner;

(e) where the registered nurse or midwife is –

(i) employed in a correctional health facility, or a children and youth services facility, at which it is impractical for a medical practitioner to attend; and

(ii) acting in accordance with the instructions of a medical practitioner.