It shall not be possible to create an interest in part only of a commonhold unit.
But subsection (1) shall not prevent—
An instrument or agreement shall be of no effect to the extent that it purports to create an interest in contravention of subsection (1).
Subsection (5) applies where—
The interest shall be extinguished by virtue of this subsection to the extent that it could not be created by reason of subsection (1).
Section 17(2) and (4) shall apply (with any necessary modifications) in relation to subsection (2)(a) and (b) above.
Where part only of a unit is held under a lease, regulations may modify the application of a provision which—
Section 20(4) shall apply in relation to subsection (2)(c) above.
Where the freehold interest in part only of a commonhold unit is transferred, the part transferred—
Regulations may make provision, or may require a commonhold community statement to make provision, about—