"USCIS has received a sufficient number of petitions to reach the congressionally mandated H-2B cap for the first half of Fiscal Year (FY) 2014. March 14, 2014 is the final receipt date for new H-2B worker petitions requesting an employment start date before April 1, 2014.
How We Determine the Final Receipt Date
The final receipt date is when we have received enough cap-subject petitions to reach the statutory limit of 33,000 H-2B workers for the first half of FY 2014. There will not be any carry over spots from the first half to the second half of FY 2014.
What Happens After Reaching the Cap
USCIS will reject new H-2B petitions that:
Petitions That Are Exempt from the Cap
USCIS will continue to accept H-2B petitions that are exempt from the congressionally mandated cap. This includes the following types of petitions:
For more information about the H-2B work program, go to http://www.uscis.gov/h-2b_count or call the National Customer Service Center at 1-800-375-5283." - USCIS, Mar. 14, 2014.