1378. Continuing duty to furnish information.

Where, on or after the date of the giving of a counter-notice1, the reversioner2 or any other relevant landlord3 receives:

  1.  

    (1)     a notice by a qualifying tenant claiming to exercise the right to acquire a new lease4 with respect to any flat5 contained in the specified premises6 or a copy of such a notice7; or

  2.  

    (2)     any notice of withdrawal duly given8 and relating to any such notice9 of which a copy has already been furnished10 to the nominee purchaser11,

a copy of every notice which, or a copy of which, is received as mentioned in head (1) or head