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Question

兹证明本公司员工XXX，护照号码：身份证号码：与2007年10月15日起入职本公司担任人力资源经理职务。现指派其于2008年9月5日前往美国纽约参加美国总部举办的年度人力资源会议，并拟定于2008年9月10日返程。
该员工在纽约其间的一切费用，包括机票，住宿，餐费等均由本公司承担，并保证该员工在纽约其间遵守该国法律，并保证期按时中国。

Answer 1

to whom it may concern,

This is to certify XXX, an employee of our company, whose id card is ........On October 15th 2007, he has been an manager of human resource department in our company. He is assigned或者是（invited） to go to NewYork in UA to join human resource conference held by the headquarters yearly and will return on Sep 10th 2008.

Our company will cover all the cost he had, including air ticket, hotel expense, and living fee. We promise he will obey the law during his traveling and return on time.

是签证用吧？