This excerpt taken from the LUX 20-F filed Jun 28, 2006.
Available Commitment means, in relation to a Facility, a Lenders Commitment under that Facility minus:
(a) the Base Currency Amount of its participation in any outstanding Loans under that Facility; and
(b) in relation to any proposed Utilisation, the Base Currency Amount of its participation in any Loans (other than any Loan which is the subject of the relevant Utilisation Request) that are due to be made under that Facility on or before the proposed Utilisation Date,
other than, in relation to any proposed Utilisation under Facility C only, that Lenders participation in any Facility C Loans that are due to be repaid or prepaid on or before the proposed Utilisation Date.