According to the State Department, an invitation letter isn't required, and not having one won't affect your visa outcome. See what the actual requirements are.
Find out the current H-1B extension in September 2026, travel risks, filing requirements, and alternative options if your renewal is denied.
Form I-140 classifies you for an employment-based immigrant visa category; it does not grant you legal status itself. Learn more about where to file and how it's approved.
What happens at a USCIS biometrics appointment, what to bring, new photo rules, how to reschedule, and which applications waive biometrics.
What happens to your H-1B after a layoff: the 60-day grace period, travel risks, transferring employer, and avoiding out-of-status gaps.
Your employer files an LCA before your H-1B petition and must give you a certified copy. Learn what you need to know to stay compliant.
Complete guide to filing USCIS Form I-485 from inside the United States, eligibility, fees, and processing time. Learn the full step-by-step process.
What visa sponsorship means for employers and candidates, which visas require it, employer obligations and costs, and how to find sponsoring companies.
Learn what Form I-129 is, who can file it, eligible visa categories, filing requirements, fees, processing times, and common mistakes to avoid.
What Form I-766 is, how to read your EAD card number and category code (C09, C26, A12, C18), validity periods and how to replace a lost card.