The correct answer is Not deemed to have abetted contravention.
Foundational Concept: In legal contexts, a personal consumer purchasing an essential commodity for their own use is generally not considered to be aiding or instigating a legal contravention (abetment). Laws typically target those involved in illegal supply, hoarding, or black marketing, not the end-user.
Why Correct: A consumer's act of buying for personal consumption is distinct from facilitating an illegal act. Their intent is consumption, not to assist in an offense.
Why Distractors are False:
A: May be charged with abetment is false because abetment requires intent to aid an offense, which is absent in a typical consumer purchase.
C: Always exempt from all provisions is too broad; consumers are still subject to general laws, but not typically for abetment in this specific context.
D: Needs a licence is incorrect; consumers do not require a license to purchase essential commodities for personal use.