The Proposal and Award Policies and Procedures Guide (PAPPG) is the source for information about the proposal and award process at the U.S. National Science Foundation.
Each version of the PAPPG applies to all proposals or applications submitted while that version is effective.
Policy changes to PAPPG 24-1
The following policy notices implement changes to the PAPPG 24-1.
Supplement 1 (NSF 26-200)
Applies to all financial assistance awarded on or after Dec. 8, 2025.
NSF 26-200
Current version of the PAPPG
NSF 24-1
NSF 24-1 applies to all proposals submitted or due on or after May 20, 2024.
Go to NSF 24-1