returned H-1B petition

From the Public Engagement Division of USCIS:  U.S. Citizenship and Immigration Services announced on 12/6/19 the requirement for employers seeking to file H-1B cap-subject petitions, including those eligible for the advanced degree exemption, to first electronically register and pay the associated $10 H-1B registration fee before filing a petition for the fiscal year 2021 H-1B

Receipt or return.  The US Citizenship and Immigration Service (USCIS) has indicated that it will now begin returning FY 2016 H-1B cap-subject petitions that were not chosen in the FY 2016 H-1B Lottery (computer-generated random selection process). 

Receipts for H-1B petitions selected for processing have been issued over the past week or so.   In this