This excerpt taken from the LUX 20-F filed Jun 28, 2006.
11.4. Break Costs
(a) Subject to Clause 8.10(b), each Borrower shall, within five Business Days of demand by a Finance Party, pay to that Finance Party its Break Costs attributable to all or any part of a Loan or Unpaid Sum being paid by that Borrower on a day other than the last day of an Interest Period for that Loan or Unpaid Sum.
(b) Each Lender shall, as soon as reasonably practicable after a demand by the Agent, provide a certificate confirming the amount of its Break Costs for any Interest Period in which they accrue.