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full faith and credit Finance Definition
Refers to debt obligations that are guaranteed by the U.S. government. Government debt or other obligations are “backed by the full faith and credit of the U.S. government.” Because the U.S. government is very strong and stable, its taxing authority can be used to ensure that the debt obligations are honored in the event of a default by the issuer.
full faith and credit Law Definition

n

The requirement under the United States Constitution, Article IV, that a state respect the laws and court decisions of other states.