1、Department of Defense INSTRUCTION NUMBER 5210.91 August 12,2010 Incorporating Change 2,Effective March 30,2020 USD(I&S)SUBJECT:Polygraph and Credibility Assessment(PCA)Procedures References:See Enclosure 1 1.PURPOSE.This Instruction:a.Incorporates and cancels DoD 5210.48-R(Reference(a),the Under Sec
2、retary of Defensefor Intelligence Memorandum(Reference(b),and the Deputy Under Secretary of Defense(Counterintelligence and Security)Memorandum(Reference(c).b.Establishes and implements policy,assigns responsibilities,and provides proceduresgoverning the use of polygraph and other approved credibili
3、ty assessment tools in accordance with the guidance in DoD Directive(DoDD)5210.48(Reference(d)and the authority in DoDD 5143.01(Reference(e).2.APPLICABILITY.This Instruction applies to OSD,the Military Departments,the Office ofthe Chairman of the Joint Chiefs of Staff and the Joint Staff,the Combata
4、nt Commands,theOffice of the Inspector General of the Department of Defense,the Defense Agencies,the DoDField Activities,and all other organizational entities within the Department of Defense(hereafterreferred to collectively as the“DoD Components”).3.DEFINITIONS.See Glossary.4.POLICY.It is DoD poli