21.   Rockefeller Center Properties, the real estate investment trust that owns the mortgage holder, faces its own financial difficulties.

22.   That intensified this week among mortgage securities holders.

23.   The last is when the bank or other mortgage holder has completed the foreclosure and sells the house at auction or through a broker.

24.   The interest in the landmark comes as the bankruptcy court battle for Rockefeller Center appears to be shifting in favor of the mortgage holder.

25.   The most recent plan offers mortgage holders the opportunity to restructure their debts by swapping them for UDIs.

26.   The program also offers aid for mortgage holders who still face problems meeting their obligations even after restructuring their debts.

27.   The program also offers aid for mortgage holders who face problems meeting their obligations even after restructuring their debts.

28.   The owners then decided to hand the property over to the mortgage holder, a real estate investment trust called Rockefeller Center Properties Inc.

29.   The title belongs to the mortgage holder.

30.   There are other signs that the mortgage holder is preparing for potential problems.