Northern Territory Consolidated Acts29. Defence for certain drugs
(1) It is a defence to a prosecution for an offence against section 28(1) if:
(a) analysis of a blood sample taken under this Part:
(i) gives no indication of any drug prescribed under section 28(6)(a); but
(ii) does indicate the presence of a drug (or drugs) prescribed under section 28(6)(b); and
(b) the defendant satisfies the court as to the matters mentioned in subsection (2).
(2) The defendant must satisfy the court that:
(a) the defendant was, at the time of the alleged offence, under treatment by a medical practitioner and had taken the drug as part of that treatment; and
(b) the defendant had taken the drug in accordance with the directions of the medical practitioner.