No cemetery authority shall interfere with a licensed funeral director or his or her designated agent observing the final burial or disposition of a body for which the funeral director has a contract for services related to that deceased individual. No funeral director or his or her designated agent shall interfere with a licensed cemetery authority or its designated agent's rendering of burial or other disposition services for a body for which the cemetery authority has a contract for goods, services, or property related to that deceased individual.
225 ILCS 411/20-15