To protect the creditor, should default in payment be made by the debtor, security will often be required for the loan.

为了保护债权人，防止债务人不履行债务，贷款时一般要求提供担保。

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But there seem to be no clauses in the prospectuses for Greek government bonds that would trigger accelerated payment of the rest of what's owed on any particular bond in default or that would put other bonds into default: in the jargon, there are no accelerated payment or cross-default clauses.

BBC: Is a Greek default so bad for Greece?

So in theory if cross-default or accelerated payment clauses were unexpectedly to turn up in bond documentation, the Greek parliament could legislate to make them null and void.

BBC: Is a Greek default so bad for Greece?

Aron said no, declared Semgroup in default on its contracts and demanded immediate payment of losses.

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