Guide to the H-1B1 visa for Chilean and Singaporean professionals: who qualifies as a specialty occupation, key rules (1-year approvals, unlimited renewals, transfers allowed, no premium processing, single-intent limits), and filing either through USCIS or a U.S. consulate. It also outlines Meltzer Hellrung’s LCA-based process, common outcomes like RFEs, and the required document lists for employers, applicants, and dependents.