| 41. | In 1914, China joined the Universal Postal Union, and Shanghai was designated as the exchange for international mail.
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| 42. | By February 2005, 117 of the 190 member countries of the Universal Postal Union had postal code systems.
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| 43. | Currently, mail to and from Vietnam and China has to go through other countries in the Universal Postal Union.
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| 44. | The Universal Postal Union ( UPU ) has identified Trust Services as the greatest opportunity for global postal growth.
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| 45. | French is the official language of the Universal Postal Union, with English added as a working language in 1994.
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| 46. | In 1974, Zambia issued a series of 4 stamps as commemoratives for the centenary of the Universal Postal Union.
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| 47. | The 192 members of the Universal Postal Union are listed below in alphabetical order, with the date of membership.
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| 48. | Originally the postal administration was admitted into the Universal Postal Union on 3 May 1961 and remains a member.
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| 49. | During that time some colours were changed to comply with Universal Postal Union regulations, and three new values were added.
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| 50. | The stamps are not recognized by the Universal Postal Union and thus are not valid for postage anywhere outside Abkhazia.
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