(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;