62 STAT.] MULTILATERAL-UNIVERSAL POSTAL UNION-JULY 5, 1947 Articles Treatment of articles wrongly accepted 1 2 (a) Articles which, by their nature or pack- ing, may expose postal employees to danger, or soil or damage the mails; (b) Articles liable to customs duty (with the exceptions provided for by Article 41), as well as samples sent in quantities for the purpose of avoiding the collec- To be treated in accordance with tion of such duty; the domestic regulations of the (c) Opium, morphine, cocaine, and other Administration which discovers narcotics; their presence; however, the arti- (d) Articles whose acceptance or circulation cles mentioned under (c) are in is prohibited in the country of destina- no case either forwarded to des- tion; tination, delivered to the ad- (e) Live animals, with the exception of: dressees or returned to origin; 1° Bees, leeches and silkworms; 2° Parasites and predators of inju- rious insects intended for the con- trol of such insects and exchanged between officially recognized agencies; (f) Explosive, inflammable or dangerous To be destroyed on the spot by the substances; Administration which discovers (g) Obscene or immoral articles. their presence. 2. In cases where articles wrongly accepted for mailing are neither returned to origin nor delivered to the addressee, the dispatching Ad- ministration shall be notified, in a precise manner, of the disposal made of such articles. 3. Moreover, the right is reserved for any country not to convey in transit in open mail over its territory articles other than letters and post cards in regard to which the legal provisions regulating the conditions of their publication or circulation in that country have not been observed. Such articles shall be returned to the country of origin. ARTICLE 50. Methods of prepayment. 3325 Ante, p. 3323. Notification of dis- posal. Reservation. 1. Prepayment of postage is effected either by means of postage stamps valid in the country of origin for the correspondence of private individuals, or by means of impressions of stamping machines officially adopted and operating under the immediate control of the Adminis- tration; or, in the case of prints, by means of impressions, printed or otherwise obtained, when such a system of indicia is authorized by the domestic regulations of the Administration of origin. 2. The following are considered as duly prepaid: Reply post cards Items considered prepaid. bearing printed or adhesive postage stamps of the country of issue of such cards; articles regularly prepaid for their first transmission on which the additional postage has been paid before their redirection; as well as newspapers or packages of newspaDers and periodicals whose
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