A set of rules governing the admission or exclusion of evidence in United States courts and comprised of 11 Articles: General Provisions, Judicial Notice; Presumptions in Civil Actions and Proceedings; Relevancy and Its Limits; Privileges; Witnesses; Opinions and Expert Testimony; Hearsay; Authentication and Identification; Contents of Writings, Recordings, and Photographs; and, Miscellaneous Rules. For more information, please visit: http://www.uscourts.gov/rules-policies/current-rules-practice-procedure