For section 42 (4) (Pre-sentence reports by assessors), the matters for assessing the offender's suitability to serve a sentence (or a part of a sentence) by taking part in a rehabilitation program are whether the offender was—
(a) under the influence of alcohol or a controlled drug when the offence was committed; or
(b) motivated to commit the offence by a desire—
(i) to administer a controlled drug to himself or herself; or
(ii) to obtain a controlled drug for self-administration; or
(iii) to obtain resources to enable the offender to obtain a controlled drug for self-administration.