The UNIDROIT Principles of International Commercial Contracts and ...

354 (2002) 36 R.J.T. 335
Yet even with respect to international sales contracts governed
by CISG, the UNIDROIT Principles may play an important role. In the
absence of an express reference by the parties, they may be – and
actually increasingly are being – used, though not indiscriminately,
as a means of interpreting or supplementing CISG. In the presence
of an express reference by the parties, the UNIDROIT Principles may
m o reover apply to matters outside the scope of CISG and which
otherwise would fall within the sphere of the applicable domestic
law.
In conclusion it may well be said that both CISG and the
UN I D R O I T Principles are the right instruments at the right time: each
one has its own raison d’être.