Section 9.  PROHIBITIONS.

(a)  It shall be unlawful, regardless of any contract, lease or
     other obligation heretofore or hereafter entered into, for
     any person to demand or receive any rent for any housing
     accommodations in excess of the maximum rent established
     therefor by the temporary state housing rent commission or
     the city housing rent agency or otherwise to do or omit to
     do any act, in violation of any regulation, order or
     requirement of the city housing rent agency hereunder or
     under any local law adopted pursuant to subdivision five of
     this section or to offer, solicit, attempt or agree to do
     any of the foregoing.

(b)  It shall be unlawful for any person to remove or attempt to
     remove from any housing accommodations the tenant or
     occupant thereof or to refuse to renew the lease or
     agreement for the use of such accommodations, because such
     tenant or occupant has taken, or proposes to take, action
     authorized or required by the state emergency housing rent
     control law or any local law adopted pursuant to subdivision
     five of this section or any regulation, order or requirement
     thereunder.

(c)  It shall be unlawful for any officer or employee of the city
     housing rent agency or for any official adviser or
     consultant to the city housing rent agency to disclose,
     otherwise than in the course of official duty, any
     information obtained under this section, or to use any
     information obtained under this section, or to use any such
     information for personal benefit.

(d)  It shall be unlawful for any landlord or any person acting
     on his behalf, with intent to cause the tenant to vacate, to
     engage in any course of conduct (including, but not limited
     to, interruption or discontinuance of essential services)
     which interferes with or disturbs or is intended to
     interfere with or disturb the comfort, repose, peace or
     quiet of the tenant in his use or occupancy of the housing
     accommodations.