Default — Rule 55a is a legal term used in the United States to refer to a type of default judgment. The rule is a part of the Federal Rules of Civil Procedure, which establishes the procedures for filing and resolving civil lawsuits in federal court. Default — Rule 55a provides a mechanism for the court to enter a judgment in favor of a plaintiff when the defendant fails to appear or respond to a lawsuit. This type of default judgment is commonly referred to as a “default judgment” or “default ruling.” There are two tydefaultltul— - Rule 55a: Default - Rule 55a (a) and Default — Rule 55aDefaultul— - Rule 55a (a) allows the court to enter a default judgment when the defendant has failed to appear or respond to the lawsuit. Default — Rule 55a (b) allows the court to enter a default judgment when the defendant has failed to plead or otherwise defend against the claims in the lawsuit.