Labor substitution requirements

sunny2002

Registered Users (C)
My employer is ready to applly for I140/485 using a subsitute
approved labor. what needs to be same?

Should the position be the same? (it is not same in my case)
or
should the salary be the same?
or
Should the education background be the same?

any other info pertaining the substitution of labor would be of great help.
thanks in advance,
VG
 
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