Form 750B when filing I-140

h1234567

Registered Users (C)
After LC is approved, when filing for I-140, can one fill out another 750B form, or must submit the original 750B approved together with LC? I mean if the dates for work experience are not exactly right on the first 750B, can one fill out another form with the correct dates? Is it possible to make any 750B corrections during I-140 filing?

Thanks very much for your help.
 
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