IRS requirements for the 1099-MISC form for 2011 are different. You must do something about this if you are using QuickBooks.
Click here for more information.
For Mac users, note that this utiltity is available for the 2010 and 2011 versions, with information available at this link.
Thank you Charlie Russell, the founder of CCRSoftware, and The Sleeter Group for valuable information about the 1099 for 2011.