The Official Assignee was not appointed during that period and the creditors did not take any legal challenge to the agreement or to take any steps to recover the debts.

受托人（A）在当时尚未产生而债权人并没有采取任何法律行动挑战该协议或采取行动索帐追债。

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Efforts to ease Africa's official debts date back at least as far as 1987.

ECONOMIST: Economics focus

That's partly because forgiving Greece its official debts might well cause fury among German taxpayers - currently owed almost 90bn euros by the Greek state, if Bundesbank funding of lending by the Greek central bank is included (the so-called Target2 balance).

BBC: Greece: Euro exit delayed?

The only way to assess a country's fiscal condition that is free of this problem is by forming the country's fiscal gap--the present value total of all the official debts and unofficial current and future spending obligations after netting out all the current and future taxes everyone is currently slated to pay.

FORBES: Magazine Article