Indiana Code Title 29. Probate § 29-2-19-11

Sec. 11. (a) A person who acts in good faith reliance on a declaration is immune from liability to the same extent as if the person had dealt directly with the declarant and the declarant had been a competent and living person.

(b) A person who deals with a declaration may presume, in the absence of actual knowledge to the contrary, that:

(c) The directions of a declarant expressed in a declaration are binding as if the declarant were alive and competent.