Several key elements are described as being important in establishing a well-structured, written polygraph policy. These include approval authority, criteria and use of examination results, applicant and personnel security/integrity, internal investigations, and post conviction examinations. Law enforcement applications (e.g., verifying information furnished by citizens and informants, assistance to other agencies, consent form design, monitoring/recording polygraph examinations, examiner competence and quality control) also should be examined. Chart and 19 references.