The National Science Foundation (NSF) has issued a revised Proposal and Award Policies and Procedure Guide (PAPPG), effective Monday, January 30, 2017.
You can view a summary of the significant changes here.
You can access the PAPPG guide in its entirety here.
A printable version of the PAPPG can be found here.
If you should have any questions, contact the Office of Sponsored Research and Programs.