In toy manufacturing, additional policies include a dress code. When working around machinery, loose clothing, jewelry, long hair, and shoes with loose toes could cause physical injury. Quality control testing policies would outline where to take sample parts, how often, and how to test parts to specifications of acceptable tolerances. Some company policies are written as a result of actions or behaviors that have resulted in damages or lawsuits being reversed. Policies and procedures are open to ongoing changes and modifications controlled by the board of directors, corporate officers, the chief ethics and compliance officer and the chief ethics and compliance officer.