Any Authorization or any other act necessary under the laws of the Republic of Serbia to enable the Borrower to perform its obligations under the Finance Documents, or any Authorization or any other act necessary under the laws of the Republic of Serbia to enable the Buyer to perform its obligations under the Commercial Contract or any transaction contemplated thereby, is withdrawn or modified or shall otherwise cease to be in full force and effect or has not been obtained or the Borrower repudiates a Finance Document or evidences an intention to repudiate a Finance Document or the Buyer repudiates the Commercial Contract or evidences an intention to repudiate the Commercial Contract.