Chapter 5. Hospitalization of Persons with Mental Illness. Subchapter I. Definitions; Commission on Mental Health. §§ 21-501 – 21-503 Subchapter II. Voluntary and Nonprotesting Hospitalization. §§ 21-511 – 21-514 Subchapter III. Emergency Hospitalization. §§ 21-521 – 21-528 Subchapter IV. Commitment Under Court Order. §§ 21-541 – 21-551 Subchapter V. Right to Communication; Exercise of Other Rights. §§ 21-561 – 21-565 Subchapter VI. Miscellaneous Provisions. §§ 21-581 – 21-592