The Consumer Protection Unit investigates and prosecutes cases such as deceptive advertising, unfair competition, and other forms of consumer fraud. All applicants to the Public Authority Registry will be required to undergo a Department of Justice Criminal Background Investigation.Contra Costa College Procedures Handbook. All college policies and procedures are recorded in the Colleges Procedures Handbook. Failure to provide any of the information may result in delay or rejection of family voucher issuance. Please read entire document before completing form. Form Number, Video, Date Revised, Form Name. Fill Out the Form Below to Get in Touch With Our Dedicated Team.