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.

FAQ for MRI Track 3 - Helium Conservation Equipment

In FY 2023, the Major Research Instrumentation (MRI) program instituted Track 3 to support equipment for helium conservation. In collaboration with MRI Coordinators from several NSF Divisions, a Frequently Asked Questions publication (NSF 23-155) was developed. The document is now available at