The visa is valid for less than one calendar year (not to exceed the passport's expiration date). For self-supporting students, the period of validity is determined by the tuition paid.

居留证有效期限（不超过护照有效期）不超过一年，自费生由交纳学费期限而定。

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The multiple-entry U.S. visa was issued in London, England, in June 2008 with an expiration date of June 2010, Demuren said.

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