Section 17-308 - Authority granted by license(a) A license authorizes the licensee to practice clinical alcohol and drug counseling, clinical marriage and family therapy, clinical professional counseling, or clinical professional art therapy while the license is effective.(b) An individual licensed under this subtitle may provide services involving the application of counseling principles and methods in the diagnosis, prevention, treatment, and amelioration of psychological problems, emotional conditions, or mental conditions of individuals or groups.