When does the H-1B application period open?

United States Citizenship and Immigration Services (USCIS) starts accepting H-1B petitions on the first business day of April for visas that count against the fiscal year starting in October. For instance, H-1B visa applications that count against the FY 2014 cap can be submitted starting on Monday, April 1, 2013 for an October 1, 2013 start date.