Rule 23
Redirection Of Postal Article
(1) Except otherwise provided in Rule 25, in case the addressee of some postal article is not found and the article is to be delivered from another domestic post office, it will be delivered to the addressee without charging an additional fee. The work of redirection may be done by the post office of origin.
(2) A postal article to be delivered by a domestic post office may be dispatched forward if the postal personnel or representative of the addressee upon fulfillment of the following redirect the same:-
(a) In case the unregistered postal article is returned to the postal runner unopened by the representative of the addressee or is re-submitted to the post office conducting the delivery.
(b) In case a registered article is returned to the personnel of the  delivery post office unopened and without signing the acknowledgement of receipt by the representative of the addressee.