Northern Territory Consolidated Acts Northern Territory Consolidated Acts52. Tenant's responsibility for security
(1) It is a term of a tenancy agreement that the tenant will not, without reasonable excuse:
(a) alter or remove a lock or security device on the premises or ancillary property; or
(b) add a lock or security device to the premises or ancillary property,
without the consent of the landlord.
(2) It is a term of a tenancy agreement that, if the tenant:
(a) alters a lock or security device on the premises or ancillary property; or
(b) adds a lock or security device to the premises or ancillary property,
without the consent of the landlord, the tenant will provide to the landlord a key to the lock or security device as soon as practicable after making the alteration or addition, unless the landlord consents to the tenant doing otherwise.