22. (1) A person—
(a) who is the owner of a sheep or goat that attains the age of 6 months; or
(b) who becomes the owner of a sheep or goat that has attained the age of 6 months;
shall, if the sheep or goat has not previously been earmarked, within 14 days of—
(c) the sheep or goat attaining the age of 6 months; or
(d) the person becoming the owner;
respectively, cut the registered earmark of which he or she is the registered proprietor—
(e) in the case of a male or desexed sheep or goat—into the left ear; or
(f) in the case of a female sheep or goat—into the right ear.
(2) A person who, without reasonable excuse, contravenes subsection (1) is guilty of an offence punishable, on conviction, by a fine not exceeding—
(a) if the offender is a natural person—$500; or
(b) if the offender is a body corporate—$2,500.