12. Liability for payment of postage

The person to whom any postal article shall be tendered for delivery on which postage or any other fee or sum is due shall be bound to pay the postage or other fee or sum due on his accepting delivery of the postal article, unless he forthwith returns it unopened.

If any such postal article appears to the satisfaction of the

If any postal article on which postage or any other fee or sum chargeable is due, is refused or returned as aforesaid, or if the addressee is dead or cannot be found, then the sender shall be bound to pay the postage or other fee or sum due thereon.