The Federal Employee Polygraph Protection Act

The Federal Employee Polygraph Protection Act:

A) prohibits private employers (with some exceptions) from using lie detector tests,test results,or the refusal to be tested as grounds for adverse employment decisions.
B) only prohibits the federal government's use of polygraphs for making employment decisions.
C) allows polygraphs of employees only to determine illegal drug use by them.
D) completely prohibits all use of polygraphs by employers.