(b) The tenant is violating a substantial obligation of their tenancy
or breaching any of the landlord's rules and regulations governing said
premises, other than the obligation to surrender possession, and has
failed to cure such violation after written notice that the violation
cease within ten days of receipt of such written notice, provided
however, that the obligation of tenancy for which violation is claimed
was not imposed for the purpose of circumventing the intent of this
article and provided such rules or regulations are reasonable and have
been accepted in writing by the tenant or made a part of the lease at
the beginning of the lease term;
(c) The tenant is committing or permitting a nuisance in such housing
accommodation, or elsewhere in the building or on the real property in
which the housing accommodation is located, or is maliciously or by
reason of gross negligence substantially damaging the housing
accommodation, or causing substantial damage elsewhere in the building
or on the real property in which the housing accommodation is located;
or the tenant's conduct is such as to interfere with the comfort and
safety of the landlord or other tenants or occupants of the same or
another adjacent building or structure;