This chapter applies only to a merger agreement among hospitals each of which is located within a county that:
(1) contains two or more hospitals; and
(2) has a population of:
(A) less than 100,000 and is not adjacent to a county with a population of 250,000 or more; or
(B) more than 100,000 and less than 150,000 and is not adjacent to a county with a population of 100,000 or more.