Subchapter III - Emergency Hospitalization (Section 21-521 to Section 21-528)
- Section 21-521 - Detention of persons believed to be mentally ill; transportation and application to hospital
 - Section 21-522 - Examination and admission to hospital; notice
 - Section 21-523 - Court order requirement for hospital detention beyond 48 hours; maximum period for observation
 - Section 21-524 - Determination and order of court
 - Section 21-525 - Hearing by court
 - Section 21-526 - Extension of maximum periods of time
 - Section 21-527 - Examination and release of person; notice
 - Section 21-528 - Detention of person pending judicial proceedings