Your employer doesn't need to provide additioal
evidence unless getting a requirement from DOL,
please check your I-140 documents as I-140 form's
instrction,www.uscis.gov/form & e-filing ,you may
provide support documents as RFE,most applicants will
receive it after I-140 filing
evidence unless getting a requirement from DOL,
please check your I-140 documents as I-140 form's
instrction,www.uscis.gov/form & e-filing ,you may
provide support documents as RFE,most applicants will
receive it after I-140 filing