(a) This article shall apply only to those counties wherein the board of supervisors has adopted a resolution stating that suitable facilities exist within the county for the care and treatment of individuals under the influence of alcohol, including persons impaired by chronic alcoholism, designating the facilities to be used as facilities for 72-hour treatment and evaluation of individuals under the influence of alcohol and for the extensive treatment of persons impaired by chronic alcoholism, and otherwise adopting the provisions of this article.
(b) Each county Short-Doyle plan for a county to which this article is made applicable shall designate the specific facility or facilities for 72-hour evaluation and detoxification treatment of individuals under the influence of alcohol and for intensive treatment of persons impaired by chronic alcoholism and for the treatment of those persons on a voluntary basis under this article, and shall specify the maximum number of patients that can be served at any one time by each facility.