Rules as to Registration

The following rules shall apply to the registration of postal (a) the packet shall be handed in for registration at a post office to an officer on duty at such (b) all sums chargeable on the registration of the packet, and all postage chargeable thereon, shall be prepaid at the time of posting, but if no part or a part only of the postage is prepaid the packet shall be charged with the deficient postage only; (c) on delivery of the packet for registration a certificate of posting, bearing thereon an acknowledgement that the registration fee has been paid, shall be obtained. This certificate shall be filled up and signed by the officer of the post office receiving the packet.