The only requirement is that two-thirds apply, and then begins the drama of an unscripted national convention to debate questions of fundamental law.
唯一的要求就是2/3的适用，然后就成为国家惯例，而且无可争辩的就成为了国家的根本法。
2
The Buyer may declare the contract avoided if the failure by the seller to perform any of his obligations under the contract or this Convention amounts to a fundamental Breach of contract.