Missouri Laws > Title XL Missouri Laws > Title XL – Additional Executive Departments Current as of: 2024 | Check for updates | Other versions Chapter 620 Department of Economic Development Chapter 621 Administrative Hearing Commission Chapter 622 Motor Carrier and Railroad Safety Chapter 625 Division of Commerce and Industrial Development Chapter 630 Department of Mental Health Chapter 631 Alcohol and Drug Abuse Chapter 632 Comprehensive Psychiatric Services Chapter 633 Intellectual Disabilities and Developmental Disabilities Chapter 640 Department of Natural Resources Chapter 643 Air Conservation Chapter 644 Water Pollution Chapter 650 Department of Public Safety Chapter 660 Department of Social Services Chapter 680 Transportation Services Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights.