各位前辈好，我最近跟房东（一个management company）对于卧室安置锁的问
题发生了几次争论。房东在合同上写不允许在房间内安装任何锁。但是整个屋子（两间
卧室）就只有通向楼道的那扇门上有锁，卧室里没有。
我在马萨诸塞州，我查阅Mass State Sanitary Code，上面有这样的文字：
410.480: Locks
The owner shall provide, install and maintain locks so that:
(A) Every dwelling unit shall be capable of being secured against unlawful
entry.
(B) Every door of a dwelling unit shall be capable of being secured from
unlawful entry.
(C) The main entry door of a dwelling containing more than three dwelling
units sha
