Can you send the H-1B petition to USCIS in March and ask them to hold it until April 1? Unfortunately, you cannot. Any 2016 H-1B cap subject petition sent to USCIS prior to April 1 will be returned to the sender. That’s why, as you walk around our offices during the latter part of March, you will see stacks of H-1B petitions like the one below, all prepped and ready to go out the door on March 31st.

H-1B Cap