A Practice Note providing an overview of the basic principles of the enforcement of judgments issued by federal courts. The Note discusses the statutes most relevant to enforcement, from the Federal Rule of Civil Procedure (FRCP) 54 definition of "judgment" through the federal registration statute (28 U.S.C. § 1963). The Note also covers who may enforce judgments, what, where, and when judgments may be enforced, and the basic steps necessary to enforce a judgment.