(a) Development and implementation of procedures The Memorandum of Agreement entered into pursuant to section
2411 of this title shall include a specific provision for the development and implementation at each Bureau of Indian Affair
agency and Indian Health Service unit of a procedure for the emergency medical assessment and treatment of every Indian youth arrested or detained by Bureau of Indian Affairs or tribal law enforcement personnel for an offense relating to or involving alcohol or substance abuse. The medical assessment required by this subsection
(1) shall be conducted to determine the mental or physical state of the individual assessed so that appropriate steps can be taken to protect the individuals health and well-being,
(2) shall occur as soon as possible after the arrest or detention of an Indian youth, and
(3) shall be provided by the Indian Health Service, either through its direct or contract health service.