Any person undergoing treatment and receiving care for Hansen’s disease at Hale Mohalu on June 30, 1969, may be transferred to Kalaupapa for care and treatment if the person desires. Any person who may undergo treatment and receive care for Hansen’s disease at Hale Mohalu after June 30, 1969, may apply to the director of health for transfer to Kalaupapa. Any person undergoing treatment and receiving care for Hansen’s disease at Kalaupapa may be transferred to Hale Mohalu for care and treatment if the person desires. A person transferred may be retransferred to Kalaupapa if the person desires.