As long as the P-3 Visa holder is not classified as support personnel, USCIS generally allows P-3 extensions for applicants with pending immigrant petitions.
Rural and Urban TEA Regional Center EB-5 Projects at $800K.
Adjust Status and Receive Work Permit (EAD) in as Fast as 60 Days and Receive Green Card Within 12 Months.
EB5AN
Can an EB-5 investor extend P-3 status once an I-526 Petition is filed?
