After section 20(2) of the Duties Act 2000 insert —
"(3) Despite subsection (1), the dutiable value of a lease referred to in section 10(1)(ab) that is the subject of a dutiable transaction is the greater of—
(a) any consideration (being the amount of a monetary consideration or the value of a non-monetary consideration) other than rent reserved that is paid or agreed to be paid; and
(b) the unencumbered value of the land that is subject to the lease.".