The announcement also stated that:
On April 10, 2014, USCIS completed a computer-generated random selection process, or lottery, to select enough petitions to meet the 65,000 general-category cap and 20,000 cap under the advanced degree exemption. For cap-subject petitions not randomly selected, USCIS will reject and return the petition with filing fees, unless it is found to be a duplicate filing.
USCIS Reaches FY 2015 H-1B Cap | USCIS
WASHINGTON—U.S. Citizenship and Immigration Services (USCIS) announced on April 7 that it has received a sufficient number of H-1B petitions to reach the statutory cap of 65000 visas for fiscal year (FY) 2015. USCIS has also received more than the limit of 20000 H-1B petitions filed under the …