POSTAL CONVENTION—OANADA. JANUARY 12, 1888. ]4l5 ARTICLE 8. · (a) Overland exchanges of ordinar international corres ond n w · may be effected without the use of letter-bills, but registergd cclrrlf ay ms. spondence must be accompanied by a descriptive list thereof, by means of which the registered articles may be identified for the purpose of acknowledgment by the receivin offices. (b) If a registered article advised shall not be found in the mails by the receiving office its absence shall be immediately reported by the receiving to the sending office. _ ARTICLE 9. Ordinary and registered exchanges, unless the latter be made in Exchanges. through registered pouches, shall be effected in properly sealed sacks. ARTICLE 10. (a) All registered articles, ordinary letters, postal cards, and other Return or nmdelivmanuscript matter, business or commercial papers, books (bound or °"°° ’““°°°'· stitched), proofs of printing, engravin s, photographs, rawings; maps, and other artic es manifestly of value to the sender, which are not delivered from any cause, sha be reciprocally returned monthly without charge, through the central administrations of the two countries, in special packets or sacks marked "Rebuts," after the expira tion of the period for their retention required by the laws or regulations of the country of destination; the returned registered articles to be accompanied by a descriptive list, and the special packets or sacks used for returning undelivered matter to be orwarded under registration when re `stered articles are returned in them. (b) Fully prepaid lbtters which bear requests by the senders for mmm requests. their return in case of non-delivery by a certain ate, or within a specified time, shall be reciprocally returned, without charge, directly to the despatching exchange omce, at the expiration of the period for their retention indicated in the requests. (c) Fully prepaid letters bearing on the covers the business cards, the names and addresses of the senders or designation of places to which they may be returned, as post-office box, street and number, &c., without requests for their return in case of non-delivery within a specified time, shall be reciprocally returned without charge directly to the dcspatching exchange office, at the expiration of thirty days from the date of their receipt at the office of estination. ‘ ARTICLE 11. All matters connected with the exchange of mails between the two Rules or Ummm Countries, which are not herein provided for, shall be governed by U'“°“ ‘° $°"‘ the provisions of the Universal ostal Union Convention and Regu- _ lations now in force, or which may hereafter beenacted, for the governance of such matters in the exchanges of ma1ls between countries of the Universal Postal Union generally, so far as the articles of such Universal Postal Union Convention shall be obligatory upon both of the contracting parties. Anricnn 12. The Postmaster-General of the United States of America, and the mmmgmnmm Postmaster General of the Dominion of Canada shall have authority to jointl make such further regulations of order and detail as may be found? necessary to carry out the present Convention from time to time; and ma by agreement prescribe conditions for the admission to the mails of any of the articles prohibited by Article 1.
