This excerpt taken from the LUX 20-F filed Jun 28, 2006.
CONDUCT OF BUSINESS BY THE FINANCE PARTIES
No provision of this Agreement will:
(a) interfere with the right of any Finance Party to arrange its affairs (tax or otherwise) in whatever manner it thinks fit;
(b) oblige any Finance Party to investigate or claim any credit, relief, remission or repayment available to it or the extent, order and manner of any claim; or
(c) oblige any Finance Party to disclose any information relating to its affairs (tax or otherwise) or any computations in respect of Tax.