Article 86 - Conditions of set-off

(1) Any party (the first party) may set-off against any monetary obligation of another party (the second party) any sum owing by the first party to the second party on any account whatsoever in any freely convertible currency at any office or branch in any jurisdiction and whether or not such sum is immediately due and payable.
(2) For the purpose of any such set-off, the first party may convert any such sum owing to the second party into any currency in which any obligation of the second party is payable.
(3) If any obligation of the second party is unliquidated or otherwise unascertained the first party may set-off an amount estimated by him in good faith on account of such obligation, without prejudice to the obligation of the second party to pay or account for any shortfall.