Make outbound calls to card holder and merchants to verify charges Make outbound calls to collect on past due balances Review Bank card charges for possible fraud activity Take calls from cardholders concerning lost / stolen cards and begin dispute process Request proper documentation from clients to prove validity of debts and file suit in appropriate court. (livecareer.com)
The bond owners (at least the short - sighted ones) don't care about that ratio, only that their interest and / or maturity has been paid; and thus the rating / validity of the debt is sound. (politics.stackexchange.com)
There's a supreme court ruling: Perry Vs United States Which confirms that «validity of debt shall not be questioned» means that the United States CAN NOT VOID IT»S DEBTS (politics.stackexchange.com)