A person shall not register in a register of legal or beneficial interests in dutiable property an instrument that effects a dutiable transaction or an instrument chargeable with duty unless—
(a) it is duly stamped; or
(b) it is marked by the Commissioner or in a manner approved by the Commissioner.
Penalty:
(a) in the case of a natural person—50 penalty units;
(b) in the case of a body corporate—250 penalty units.