Reminder: USCIS H-1B Registration Closes at Noon (ET), March 20
USCIS H-1B Registration Closes at Noon (ET), March 20. Other Key Dates: March 1: H-1B registration period opens at noon ET. March 20: H-1B registration period closes at noon ET. March 31: Date by which USCIS intends to notify selected registrants. April 1: The earliest date that FY 2021 H-1B cap-subject petitions may be filed.