Section 665. Assistance by department of housing preservation and development

The commissioner of housing  preservation  and  development
  and  the  department  of housing preservation and development are hereby
  designated to act for and in behalf  of  the  corporation  in  servicing
  mortgage  loans of the corporation, and shall perform such functions and
  services in connection with the making, servicing and collection of such
  loans as shall be requested by the corporation.  The  corporation  shall
  pay  to  the department of housing preservation and development from any
  moneys of the corporation available for such purposes  such  amounts  as
  are  necessary  to  reimburse the department of housing preservation and
  development for the reasonable cost of the  services  performed  by  the
  commissioner   of  housing  preservation  and  development  and  by  the
  department of housing preservation  and  development  pursuant  to  this
  section.