Many clinical mental health counselors may interact with clients who report use of substances and admit to symptoms of substance use disorders. Based on the NAADAC Code of Ethics, the federal law 42CFR Part 2, NAADAC certification requirements, SAMSHA addiction competencies and the state of California requirements for certified and/or licensed addiction professionals. Referring to this information, What are the requirements for addiction counseling for the state of California and considerations for working with clients who have symptoms of a substance use disorder, while considering the Professional Identity disposition. What are the benefits and risks for clinical mental health counselors providing substance use disorder counseling without addiction counseling certification and/or license.