The Louisiana Declaration of Address by Defendant or Surety is a document filed in the Civil District Court in Louisiana that states the current address of the defendant or surety in a civil lawsuit. It is used to inform the court of the defendant or surety's current address so that the court may forward any documents or court orders to the correct address. There are two types of Louisiana Declaration of Address by Defendant or Surety: 1. Louisiana Declaration of Address by Defendant: This document is filed by a defendant in a civil lawsuit to inform the court of their current address. 2. Louisiana Declaration of Address by Surety: This document is filed by a surety in a civil lawsuit to inform the court of their current address. A surety is a person or entity that is responsible for the payment of a debt or obligation if the principal debtor fails to do so.