Section 9--407. Restrictions on Creation or Enforcement of Security Interest in Leasehold Interest or in Lessor's Residual Interest

(a) Term  restricting  assignment  generally  ineffective.  Except  as
  otherwise  provided  in  subsection  (b), a term in a lease agreement is
  ineffective to the extent that it:
         (1) prohibits, restricts, or requires the consent of a  party  to
             the  lease to the assignment or transfer of, or the creation,
             attachment, perfection, or enforcement of a security interest
             in, an interest of a party under the lease contract or in the
             lessor's residual interest in the goods; or
         (2) provides that the assignment or  transfer  or  the  creation,
             attachment,   perfection,  or  enforcement  of  the  security
             interest may  give  rise  to  a  default,  breach,  right  of
             recoupment,    claim,    defense,   termination,   right   of
             termination, or remedy under the lease.
    (b) Effectiveness of certain terms. Except as  otherwise  provided  in