I. Part of General Directions

13. When any portions of the body, or any substances found in or near it, are to be preserved for further examination, they ought never to be put out of the custody of the inspectors, or of a special law officer. They must be locked up in the absence of the person who keeps them. When they are to be transmitted to a distance, they should be labelled, and the labels signed by the inspectors; and after being properly secured and sealed, they should be delivered by the inspectors themselves, or the special law officer whose duty it is to see them delivered into the hands of the parties for whom they are intended.