Employers should carefully research local employee privacy laws. While the Federal Electronic Communications Privacy Act provides some protection for workers, the types of monitoring that may be conducted vary widely from state to state. Check the law in your state before beginning telephone, camera, computer, or any other type of electronic monitoring.

Personal Appearance

Employers are generally free to set reasonable guidelines concerning neatness, dress, appearance, and hygiene. However, such codes are always in danger of legal attack, usually on the grounds that they are discriminatory or violate a person’s right to privacy. In some states, employers requiring uniforms may be required to supply or compensate employees for the uniform. Check the law in your state before setting guidelines.

Off-Duty Behavior

In most states, employers may discipline or terminate employees for off-duty behavior that might embarrass the company or disrupt its operations, though some methods of obtaining information about off-duty conduct may infringe on privacy rights. Some states, such as Michigan and Illinois, restrict employers from gathering information regarding an employee's off-duty behavior. Check the law in your state before taking any action against an employee.

Drug and Alcohol Testing

The Supreme Court has upheld an employer's right to test employees for drugs and alcohol . However, some state and local governments have passed laws prohibiting testing, and the subject is always bound to raise privacy law issues. Check on the laws in your state before planning a testing policy.

Lie Detector Tests

The federal Polygraph Protection Act protects most American workers from taking a lie detector test as a condition of employment or continued employment. In many states, however, the law does not apply to applicants in law enforcement agencies, persons in sensitive positions relating to national security, or applicants in drug manufacturing and distributing.

Psychological and Personality Tests

Federal law does not prohibit an employer from requiring an employee or prospective employee to take a psychological or personality test. However, check the law in your state before requiring any candidate or existing employee to take such a test.

Searches

Private employers may generally conduct on-premises searches of employer-owned vehicles, equipment, desks, lockers, briefcases, and other items. In most states, searches of an employee's personal items may be legal if the employee has a reasonable expectation of privacy. Public employees enjoy constitutional protections that guard against many kinds of searches.