The Full Faith and Credit Clause is the familiar name used to refer to Article IV

Article Four of the United States Constitution

Article Four of the United States Constitution relates to the states. The article outlines the duties states have to each other, as well as those the federal government has to the states...

, Section 1 of the United States Constitution

United States Constitution

The Constitution of the United States is the supreme law of the United States of America. It is the framework for the organization of the United States government and for the relationship of the federal government with the states, citizens, and all people within the United States.The first three...

, which addresses the duties that states

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 within the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 have to respect the "public acts, records, and judicial proceedings of every other state." According to the Supreme Court

Supreme Court of the United States

The Supreme Court of the United States is the highest court in the United States. It has ultimate appellate jurisdiction over all state and federal courts, and original jurisdiction over a small range of cases...

, there is a difference between the credit owed to laws (i.e. legislative measures and common law) as compared to the credit owed to judgments.