Sec. 19. (a) A responsible person approved under section 18 of this chapter preferably must be a relative or friend of good moral character whose interest is limited to the well-being of the applicant or recipient. However, the responsible person may not be any of the following:
(1) An employee of the county office.
(2) The superintendent of a county home.
(3) A person directly or indirectly financially connected with a health facility or an institution giving care to the recipient.
(4) A person directly or indirectly connected with the operation of a health facility or an institution giving care to the recipient.
(b) Costs may not be charged by a person or public official in proceedings concerning the appointment of a responsible person under section 18 of this chapter.