NSF's implementation of the revised 2 CFR

NSF Financial Assistance awards (grants and cooperative agreements) made on or after October 1, 2024, will be subject to the applicable set of award conditions, dated October 1, 2024, available on the NSF website. These terms and conditions are consistent with the revised guidance specified in the OMB Guidance for Federal Financial Assistance published in the Federal Register on April 22, 2024.

Important information for proposers

All proposals must be submitted in accordance with the requirements specified in this funding opportunity and in the NSF Proposal & Award Policies & Procedures Guide (PAPPG) that is in effect for the relevant due date to which the proposal is being submitted. It is the responsibility of the proposer to ensure that the proposal meets these requirements. Submitting a proposal prior to a specified deadline does not negate this requirement.

Updates to NSF Research Security Policies

On July 10, 2025, NSF issued an Important Notice providing updates to the agency's research security policies, including a research security training requirement, Malign Foreign Talent Recruitment Program annual certification requirement, prohibition on Confucius institutes and an updated FFDR reporting and submission timeline.

New opportunity for ERI proposals on marine energy and hydropower


The NSF Engineering Directorate (ENG), in partnership with the Water Power Technologies Office (WPTO) of the Department of Energy’s (DOE) Office of Energy Efficiency and Renewable Energy (EERE), announces a special funding opportunity on new science and engineering proposals submitted to the Engineering Research Initiation (ERI) program in topics of mutual interest:

  • marine energy and powering the blue economy
  • hydropower and climate change impacts

Learn more in Dear Colleague Letter: DOE Water Power Technologies Office and NSF Engineering Research Initiation Special Emphasis Areas (NSF 23-119).