Get all your H-1B 2021 cap season registration answered by Prashanthi and stay ahead of the game. Know more about something important like : 1. How does the registration process work? 2. Which important that one needs to keep in mind? 3. What are the pertinent things to remember if one is registering for the H-1B cap season online? 4. What are the possible reasons behind the rejection of an application by USCIS? 5. What are the options of refiling in rejection of the first application during the 90-day window?