Sec. 1. (a) This chapter applies to a county if all of the following conditions apply to the county:
(1) The county has a population of more than three hundred fifty thousand (350,000) and less than four hundred thousand (400,000).
(2) The county maintains, owns, or maintains and owns a county home for the support and care of persons who are aged, blind, destitute, homeless, infirm, chronically ill, or in need of nursing or convalescent care, but who do not require hospitalization.
(3) The county maintains, owns, or maintains and owns a hospital for the treatment of patients afflicted with tuberculosis and other chronic diseases that contracts with other counties for the treatment of citizens of the other counties.
(b) This chapter applies to a county if both of the following conditions apply to the county:
(1) The county has a population of more than two hundred fifty thousand (250,000) and less than three hundred thousand (300,000).
(2) The county maintains or owns a county home for the support and care of persons who are aged, blind, destitute, homeless, infirm, chronically ill, or in need of nursing or convalescent care, but who do not require hospitalization.