Writs Law and Legal Definition

Writ is a formal written order issued by a court in the name of the state or other competent authority commanding a party to whom it is addressed to do something or abstain from doing something.

Courts issued writs under common law to allow people to proceed with a legal action. Writs are also used to direct other courts and public authorities. Courts generally use writs to grant extraordinary relief to party, to grant the right of appeal, or to grant the sheriff the right for seizure of property. Common law writs are not in use in the U.S. civil law.

The All Writs Act authorizes United States federal courts to "issue all writs necessary or appropriate in aid of their respective jurisdictions and agreeable to the usages and principles of law." [28 USCS § 1651]. However, the Federal Rules of Civil Procedure, which governs civil procedure in the United States district courts, provide that there is only one form of action in civil cases, and explicitly abolish certain writs by name.

Courts provide extraordinary writs only when other remedies have failed. Examples of these types of writs are:

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