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ATTENTION: Postdoctoral Research Fellowships in Biology (PRFB) solicitation (NSF 15-501) applicants.

October 31, 2018


The Postdoctoral Research Fellowships in Biology (PRFB) solicitation (NSF 15-501) requires applicants to indicate U.S. citizenship status; however, the ability to update this information is no longer functional in FastLane. Please indicate citizenship status by entering the country of citizenship on Line K of the Application Form. In addition, please note that the proposal submission deadline of November 6, 2018 is now EXTENDED to November 8, 2018 5:00PM submitter's local time, due to a previously scheduled NSF data system maintenance shutdown (November 3-4). For more information, please see


If you have any questions, please contact FastLane User Support at 1-800-673-6188 (7:00 AM – 9:00 PM Eastern TimeMonday – Friday except federal holidays) or Policy-related questions should be directed to

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2019, its budget is $8.1 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 50,000 competitive proposals for funding and makes about 12,000 new funding awards.

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