This article is from the FAQ, by with numerous contributions by others.
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I am waiting for the Labor Certification from the Dept. of Labor but in
the meantime I got a job offer directly from company "A" and in this
case will the labor certification filed by company "B" valid since the
job description is same or do I need to start all over again and get a
new labor certification ?
New labor cert. will be necessary.
 
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