The National Science Foundation has released its Award and Administration Guide for the 2014 year. This guide includes some significant changes from the previous year.

Effective for awards made on or after February 24, 2014. For awards made prior to February 24, 2014, the guidelines in NSF 13-1 apply.

We invite you to familiarize yourself with this document which can be accessed here
http://www.nsf.gov/pubs/policydocs/pappguide/nsf14001/aagprint.pdf?WT.mc_id=USNSF_179