A credit event. One or more of the obligations have been declared due and payable before they would otherwise have been due and payable as a result of, or on the basis of, the occurrence of a default, event of default or other similar condition or event other than failure to pay (preferred by the market over Obligation Default, because more definitive and encompasses the definition of Obligation Default - this is more favorable to the Seller). Subject to the default requirement amount. ISDA 2003 Term: Obligation Acceleration.