Mississippi Code Title 41. Public Health § 41-39-135

(a) Any person who, in good faith and acting in reliance upon and authorization made under the provisions of Sections 41-39-101 through 41-39-149 and without notice of revocation thereof, takes possession of, performs surgical operations upon, removes tissue, substances or parts from the human body, or refuses such a gift, and any person who unknowingly fails to carry out the wishes of the donor according to the provisions of Sections 41-39-101 through 41-39-149 shall not be liable for damages in a civil action brought against him for that act.

(b) Neither the person making an anatomical gift nor the donor's estate is liable for any injury or damage that results from the making or use of the gift.

(c) In determining whether an anatomical gift has been made, amended, or revoked under Sections 41-39-101 through 41-39-149, a person may rely upon representations of an individual listed in Section 41-39-117(a)(2), (3), (4), (5), (6), (7), or (8) relating to the individual's relationship to the donor or prospective donor unless the person knows that the representation is untrue.