Mining Act 1992

The holder of a mining lease, other than a mining (mineral owner) lease, may grant a mining sublease with respect to all or part of the mining area under the mining lease (the head lease).

A sublease may be renewed, or its term or conditions varied, according to law.

However, the granting, renewal or variation of the term or a condition of a mining sublease has no effect for the purposes of this Act unless the sublease is registered in accordance with section 163A.

A sublease that has been registered in accordance with section 163A ceases to have effect for the purposes of this Act if—

the term of the sublease or head lease expires, or

it ceases to have effect in accordance with the conditions of the sublease, or

it is removed from the register of mining subleases in accordance with section 163B,

The holder of a mining sublease must not grant a further mining sublease with respect to all or any part of the sublease area.

The granting, renewal or variation of the term or a condition or registration of a mining sublease does not prevent any action being taken under this Act (including variation, suspension or cancellation) in respect of the head lease.