The 2nd NSF Newsletter had some great information for faculty submitting proposals. The big question we get regarding participant support is outlined on page four of the second issue of the NSF Proposal & Award Policy Newsletter It is available on the Policy Office website

Other things covered:

NSF Pilots a New Collaborator and Other Affiliations Template .... Page 1
Research Terms and Conditions Implementation .... Page 2
Public Comment on Future Changes to NSF Policies and Procedures .... Page 3
Upcoming NSF Outreach .... Page 3
Participant Support Costs Explained .... Page 4   <-- (Click link to view page)
ERA Forum Information .... Page 5

The newsletter is produced by the Policy Office in the Division of Institution & Award Support at the National Science Foundation.