CLS Legal Service Protect CLS protects what matters most. CLS is the service that will protect your job in the department. CLS is a legal service for anyone who is not a CCSO member. Defend CLS can assist you when the Office of Internal Affairs orders you to appear to be interviewed. CLS can represent you when you have failed probation, or when you are served a notice of adverse action. CLS can defend your interest against the department. Trust CLS is a division of CCSO, an organization with a proven track record. CLS provides 24-hour legal protection. CLS provides security for your family. CLS is assurance that counts. Download the Application