Sec. 5. Any child:
(1) less than sixteen (16) years of age;
(2) having a legal settlement in any county of Indiana; and
(3) either:
(A) afflicted with a defect, disease or deformity, presumably curable or improvable by skilled medical and surgical treatment; or
(B) needing special study for diagnosis;
may be admitted to, treated at, and discharged from the hospital under the rules and regulations adopted by the management of the hospital and approved by the board of trustees.