USCIS Policy Memorandum PM-602-0199, effective May 21, 2026, hands adjudicating officers broad discretion to deny Form I-485 applications from B-1/B-2 visitors and F-1 students who are otherwise statutorily eligible—turning temporary-intent classification into an affirmative liability. The 90-day preconceived-intent doctrine now compounds the memo's adverse-factor analysis, and the proposed replacement of Duration of Status with fixed…