3374 Closed mails. Separate packets for registered articles, etc. Inclusion in enve- lo.e containing letter Labeling of supple- mentary sacks. Ordinary articles. INTERNATIONAL AGREEMENTS OTHER THAN TREATIES [62 STAT. 5. When closed mails must be sent by means of ships which the intermediate Administration to which they belong does not regularly utilize for the transportation of its own mails, the weight of the letters and other articles shall be indicated in the address of such mails when the Administration charged with assuring the embarkation so requests. ARTICLE 146. Transmissionof registered articles. 1. Registered articles, and, if occasion arises, the special lists men- tioned in Article 145, Section 2, are made up into one or more separate packets or sacks, which shall be suitably wrapped or inclosed and sealed with wax or lead in such a manner as to protect the contents. The registered articles are arranged in each packet according to their entry numbers. When several special lists are used, each of them is tied up with the registered articles to which it relates, and placed after the first article in the bundle. 2. Subject to agreement between the Administrations concerned, and when the volume of registered articles permits it, such articles may be included in the special envelope containing the letter bill. The envelope shall be sealed. 3. In no case may registered articles be mixed with ordinary corre- spondence. 4. Subject to agreement between the Administrations, registered "A. O." (articles other than letters and post cards) which are sent in separate sacks may be accompanied by special lists upon which they are entered in bulk. 5. Whenever possible, not more than 600 registered articles shall be placed in a single sack. 6. To the outside of the packet of registered articles is attached, by means of a crossed string, the special envelope containing the letter bill; when the registered articles are contained in a sack, the said envelope is tied to the neck of such sack. 7. If there is more than one packet or sack of registered articles, each of the supplementary packets or sacks is provided with a label indicating the nature of the contents. ARTICLE 147. Transmission of special-delivery articles. 1. Ordinary special-delivery articles are tied together in a special bundle having a label bearing the note Expres (special delivery) in large characters and inserted by the exchange offices in the envelope containing the letter bill which accompanies the dispatch. 2. However, if the envelope must be affixed to the neck of the sack of registered articles (Article 146, Section 6), the bundle of special- delivery articles is placed in the outside sack. The presence in the dispatch of articles of that kind is then announced by a slip placed inside the envelope containing the letter bill. The same procedure is followed when it has not been possible to inclose the special-delivery articles with the letter bill because of their number, form or dimensions.
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