The U.S. Department of Homeland Security (DHS) has proposed eliminating deference to prior immigration approvals, a change that could subject more than 200,000 H-1B renewal petitions and other employment-based non-immigrant petitions to closer scrutiny. Under the proposal, U.S. Citizenship and Immigration Services (USCIS) would no longer be required to generally defer to its previous eligibility determination when reviewing a renewal petition, even if the role, the employer,