The State Department has confirmed that employment annual limits have been reached, as is often the case at the end of a fiscal year.
USCIS will continue to process pending adjustment cases, and is able to submit visa number requests for all cases which are being finalized. The State Department will place requests in a “Pending Demand” file.
Eligible cases which have been submitted to the State Department that are within the October cut-off dates will be automatically authorized effective October 1, 2013.
Source of Information: “AILA InfoNet Doc. No. 13092553 (posted Sep. 25, 2013)”