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Standard Form 424 (Research & Related) [SF424 (R&R)] SF424  

The application data set used by NIH for the electronic submission of grant applications through Grants.gov to NIH. The data set is owned and maintained by Grants.gov and includes both federal-wide and agency-specific forms.

The SF424 (R&R) forms used to submit a grant application to NIH are posted with the specific funding opportunity announcement to which you want to apply. Application guides and format pages used in conjunction with the SF424 (R&R) forms can be found at: NIH OER's "Format Pages".

Quoted from the NIH OER Glossary & Acronym List.