Employee handbook reviews should be conducted regularly, as a recent piece at InsideCounsel discusses:
Although there is no federal law that requires a private employer to provide handbooks to its employees, the happiest employees are those who know what is expected and believe their employers are consistently applying procedures that were established before the employment relationship began. An effective employee handbook communicates the employer’s expectations and the consequences for failure to meet them. It demonstrates an employer’s commitment to compliance with the law. Most importantly, it delivers simple answers to common questions and provides employees with a mechanism to resolve the inevitable issues that arise.