(b) The tenant is committing or permitting a nuisance in such housing accommodation or the building containing such housing accommodation; or is maliciously, or by reason of gross negligence, substantially damaging the housing accommodation; or the tenant engages in a persistent and continuing course of conduct evidencing an unwarrantable, unreasonable or unlawful use of the property to the annoyance, inconvenience, discomfort or damage of others, the primary purpose of which is intended to harass the owner or other tenants or occupants of the same or an adjacent building or structure by interfering substantially with their comfort or safety. The lawful exercise by a tenant of any rights pursuant to any law or regulation relating to occupancy of a housing accommodation, including the RSL or this Code, shall not be deemed an act of harassment or other ground for eviction pursuant to this subdivision.
(c) Occupancy of the housing accommodation by the tenant is illegal because of the requirements of law and the owner is subject to civil or criminal penalties therefor, or such occupancy is in violation of contracts with governmental agencies.
(d) The tenant is using or permitting such housing accommodation to be used for immoral or illegal purpose.