Section 494a - Polygraph testing as condition of employment(a) Except as provided in section 494b of this title, an employer or an employment agency shall not as a condition of employment, promotion, or change in status of employment, or as an express or implied condition of a benefit or privilege of employment, do any of the following:(1) request or require that an employee or applicant for employment take or submit to a polygraph examination; or(2) administer, cause to be administered, threaten to administer, or attempt to administer a polygraph examination to an employee or applicant for employment; or(3) request or require that an employee or applicant for employment give an express or implied waiver of a practice prohibited under this subchapter.(b) An employer shall not refuse to hire, promote, or change the status of employment of an applicant for employment because the applicant refuses or declines a polygraph examination.