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Solicitations that Limit the Number of Proposals an Organization Can Submit

These solicitations have limits on the number of proposals that may be submitted by one organization. To see the full solicitation, please click on the appropriate solicitation number below.

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List of Programs with solicitation limit number
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Limit
Limit Summary
Historically Black Colleges and Universities Undergraduate Program 23-563 03/26/2024 See next
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  • An eligible institution can submit no more than two Targeted Infusion Project proposals per year and can only have one active Targeted Infusion Project for any given department or unit.
  • An eligible institution can submit no more than two Research on Broadening Participation in STEM Project proposals per year.
  • An eligible institution can submit no more than two Research Initiation Award proposals per year.
  • An eligible institution can submit only one Implementation Project proposal per year. An institution may have only one active Implementation Project award. However, a new proposal can be submitted by an institution with an active project if that project is due to expire before a new award would start.
  • The lead institution of a proposal for a Broadening Participation Research Center should have been awarded three rounds of an Implementation or ACE Implementation Project. Institutions that do not meet this criterion but have received funding for broadening participation research projects, must consult with a Program Director to determine the eligibility of the institution to serve as lead institution in a BPRC project.  An eligible lead institution can submit only one Broadening Participation Research Center proposal per funding cycle and can have only one active center. However, a renewal proposal can be submitted by the lead institution with an active project if that project is due to expire before new awards are made. 
Scholarships in STEM Network 23-536 03/27/2024 See next
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An organization may submit at most one S-STEM-Hub proposal (as a single institution, a subawardee, or a member of a collaborative research project).

Tribal Colleges and Universities Program 21-595 04/01/2024 See next
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Eligible institutions may submit only one TEA Center proposal per year but may receive and administer concurrent awards. Preparing for TCUP Implementation (Pre-TI) awards are designed to support TCUP development activities for TCUP-eligible institutions that have received no prior TCUP support, no TCUP support within the previous five years, or are embarking on a significantly novel STEM strategic plan. No other restrictions apply.

Expanding Capacity in Quantum Information Science and Engineering 24-523 04/01/2024 See next
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Up to two (2) Track 2 proposals per lead institution are allowed. There are no limits on the number of Track 1 proposals.

NSF National Quantum Virtual Laboratory 23-604 04/09/2024 1

Up to one (1) QSTD Pilot proposal may be submitted per Lead Organization.

EPSCoR Research Infrastructure Improvement (RII): EPSCoR Research Fellows 24-528 04/22/2024 See next
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For EPSCoR Research Fellows: NSF: 4

A maximum of four proposals may be submitted in response to this solicitation by any single organization in an RII-eligible jurisdiction. 

For EPSCoR Research Fellows: @NASA: 4

A maximum of four proposals may be submitted in response to this solicitation by any single organization in an RII-eligible jurisdiction. 

In the case that the institution is eligible to submit both EPSCoR Research Fellows: NSF and EPSCoR Research Fellows: @NASA proposals, a maximum total of eight proposals, including a maximum of four EPSCoR Research Fellows: NSF proposals and four EPSCoR Research Fellows: @NASA proposals, may be submitted in response to this solicitation by any single organization in a RII-eligible jurisdiction.  

If more than the maximum allowable proposals are submitted from any single institution, any proposals received after the first four are subject to return without review.

The organization’s Sponsored Projects Office is required to ensure that the above requirements are met.

Innovations in Graduate Education (IGE) 24-529 04/22/2024 2

An eligible organization may participate in two Innovations in Graduate Education proposals per annual competition. Participation includes serving as a lead organization on a non-collaborative proposal or as a lead organization, non-lead organization, or subawardee on a collaborative proposal. Organizations participating solely as evaluators on projects are excluded from this limitation. Proposals that exceed the organizational eligibility limit (beyond the first two submissions based on timestamp) will be returned without review regardless of the organization's role (lead, non-lead, subawardee) in the returned proposal.

Ideas Lab: Use-Inspired Acceleration of Protein Design 24-550 04/23/2024 See next
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There are no restrictions or limits.

ADVANCE: Organizational Change for Gender Equity in STEM Academic Professions 20-554 04/25/2024 See next
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  • Eligible IHEs can submit one proposal to IT-Preliminary, Adaptation, OR Catalyst. IHEs can also be a partner on one or more Partnership proposals.
  • Eligible Non-profit, non-academic organizations can submit one proposal to the Adaptation competition and be a partner on one or more Partnership proposals.
  • IHEs and non-profit, non-academic organizations may be partners on multiple ADVANCE Partnership proposals in the same competition but can be the lead organization only on one Partnership proposal in the same competition.
NSF Innovation Corps Hubs Program 24-532 04/25/2024 1

Organizations only may be a participant (Lead or Partner) in one proposal per deadline identified in this solicitation.

 

Computer and Information Science and Engineering Research Expansion Program 24-536 05/02/2024 See next
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There are institutional limits based on how many awards an institution has from the CISE MSI program that are active at the time of the proposal submission, as noted below:

Research Capacity Building Projects (RCBP): Institutions with two or more active RCBP awards are ineligible to be lead institutions for new RCBP proposals.

Research Demonstration Projects (RDP): Institutions with two or more active RDP awards are ineligible to be lead institutions in new RDP proposals.

Research Partnerships Enhancement Projects (RPEP): Institutions with one or more active RPEP awards are ineligible to be lead institutions for new RPEP proposals.

Ineligible institutions are encouraged to submit to the RPP thread  as well as to the CISE programs noted in Section II of this solicitation.


Partnerships for Innovation 23-538 05/07/2024 See next
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There is no limit on the number of PFI-TT proposals an organization may submit to the deadlines of this solicitation. However, an organization may not submit more than one (1) new or resubmitted PFI-RP proposal to a deadline of this solicitation. This eligibility constraint will be strictly enforced. If an organization exceeds this limit, the first PFI-RP proposal received will be accepted, and the remainder will be returned without review. An organization may not receive more than two (2) awards from a submission deadline of this solicitation.

NSF's Eddie Bernice Johnson Inclusion across the Nation of Communities of Learners of Underrepresented Discoverers in Engineering and Science (INCLUDES) Initiative 22-622 05/14/2024 See next
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An organization may serve as a lead organization on only one proposal per project type, not including conferences. Proposals that exceed the organizational limit will be returned without review. No exceptions will be made. 

For Network Connectors, Design and Development Launch Pilots, and Conferences, full proposals must be submitted as a single submission from a lead organization, with other collaborating organizations included as subawardees 

Collaborative Change Consortia and Alliances may submit proposals in one of two ways: 

  • a single submission from a lead organization, with other collaborating organizations included as subawardees, OR 

  • separate submissions from a lead organization and two collaborating organizations, with any additional collaborating organizations included as subawardees. 

See PAPPG Chapter II.D.3 for additional information on collaborative proposals. 

EMpowering BRoader Academic Capacity and Education 23-617 05/15/2024 See next
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There is no limit on the number of proposals per institution. Separately submitted collaborative proposals are allowed if the collaborating institutions are also non-R1s. Participation by R1 institutions must be included only using the subaward mechanism.

Enabling Partnerships to Increase Innovation Capacity 23-625 05/16/2024 1
National Artificial Intelligence (AI) Research Institutes 23-610 05/17/2024 2

An organization may submit no more than two preliminary proposals to this solicitation as lead institution. This limit is solicitation-wide and applies across the groups and themes. An organization may submit up to two full proposals that correspond to preliminary proposals reviewed under this solicitation. In the event that an organization exceeds these limits, preliminary proposals will be accepted based on earliest date and time of preliminary proposal submission, i.e., the first two preliminary proposals will be accepted, and the remainder will be returned without review. A full proposal that does not correspond to a preliminary proposal reviewed in this program will be returned without review. 

Tribal Colleges and Universities Program Hub (TCUP Hub) and Topical Interest Groups (TIGs) 24-548 05/31/2024 See next
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For the TCUP Hub, only one proposal will be accepted per eligible institution, regardless of whether it is a single submission or part of a a set of collaborative proposals submitted by multiple institutions. No limit is set for the number of TIG proposals from any eligible institution, although the program retains the right to ensure geographic and institutional diversity in recommending awards.

General Social Survey (GSS) Competition 24-537 06/03/2024 1

Organizations are restricted to submitting only one proposal in response to this solicitation.

Hispanic-Serving Institutions: Enriching Learning, Programs, and Student Experiences 24-551 06/04/2024 See next
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Educational Instrumentation Proposals:  Eligible institutions may submit up to two proposals per year.   

Implementation and Evaluation Proposals: Eligible institutions may submit up to a total of three IEP proposals per solicitation deadline, regardless of level.  An institution may, for example, submit three Level 1 IEP proposals, or one Level 1 IEP proposal and two Level 2 IEP proposals in the same deadline. 

Focus on Recruiting Emerging Climate and Adaptation Scientists and Transformers 24-558 06/11/2024 See next
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FORECAST does not accept separately submitted collaborative proposals. Any collaboration among organizations should be through a subaward.

An eligible organization may submit only two (2) proposals. Proposals that exceed the organizational eligibility limit will be returned without review. Potential PIs are advised to contact their institutional office of research regarding processes used to select proposals for submission.

Organizations participating only as evaluators or subawardees on projects are excluded from this limitation.

Industry-University Cooperative Research Centers Program 20-570 06/12/2024 See next
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There is no limit to the number of proposals an eligible organization may submit to this program as long as each proposal pertains to a different IUCRC.

Competition for the Management of Operation and Maintenance of the National Geophysical Facility 23-623 06/13/2024 1

An organization may only submit 1 proposal as the lead. There is no limit on the number of proposals on which an organization can be included as a subrecipient.

Expanding AI Innovation through Capacity Building and Partnerships 23-506 06/25/2024 See next
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An organization may submit one proposal per submission window. An organization must wait for a determination from NSF (e.g., Award, Decline, or Returned Without Review) on the pending proposal before submitting a new proposal in the next window. Declined proposals require a new invitation to submit (via the Concept Outline process) and significant revision, while proposals Returned Without Review may be submitted using the same invited Concept Outline (assuming that the proposal is received within one year of the original Concept Outline invitation).

EPSCoR Collaborations for Optimizing Research Ecosystems Research Infrastructure Improvement Program 23-587 07/09/2024 1

Only one submission or active award per institution or organization is allowed where the institution or organization serves as the lead either on a single proposal with subawards, or as the lead on a set of separately submitted collaborative proposals.

There is no limit on the number of submissions per jurisdiction.

 

CyberCorps(R) Scholarship for Service 23-574 07/15/2024 1

Each performing organization is limited to one (1) proposal per annual SFS competition. Institutions with an active SFS scholarship project must wait at least (a) until they are within 24 months from the current SFS award’s end date, and (b) until they have used at least 70 percent of their budget, before submitting another SFS proposal.

Potential PIs are advised to contact their institutional office of research regarding processes used to select proposals for submission.

EPSCoR Research Incubators for STEM Excellence Research Infrastructure Improvement Program 23-588 08/13/2024 1

Only one submission per institution or organization is allowed where the institution or organization serves as the lead either on a single proposal with subawards or as the lead on a set of separately submitted collaborative proposals. There is no limit on the number of submissions per jurisdiction.

 

NSF Astronomy and Astrophysics Postdoctoral Fellowships 22-621 08/15/2024 See next
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There is no limit on the number of candidates or fellows that an organization may host.
National Science Foundation Research Traineeship (NRT) Program 21-536 09/06/2024 2

 

An eligible organization may participate in only two (2) proposals per NRT competition as lead or collaborative non-lead. All Track 1 and/or Track 2 NRT proposals will be counted toward this total limit of two proposals per organization.

 

Participation includes serving as a lead organization or non-lead organization on any proposal. Organizations participating only as evaluators on projects are excluded from this limitation. Proposals that exceed the organizational eligibility limit will be returned without review regardless of whether the organization on such a proposal serves as lead or non-lead collaborative organization. Only US IHEs are eligible to submit as a lead or non-lead organization. Potential PIs are advised to contact their institutional office of research regarding processes used to select proposals for submission.

Computer and Information Science and Engineering (CISE): Core Programs, Large Projects 23-524 09/16/2024 See next
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There are no restrictions or limits. 

Broadening Participation in Engineering 22-514 09/18/2024 See next
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There are no restrictions or limits.

Accelerating Research Translation 23-558 09/18/2024 1

A proposal can involve multiple organizations, but the proposal must be submitted by a lead organization with subawards to other participating organizations.  Separately submitted collaborative proposals are not permitted.

An eligible IHE can submit a maximum of one proposal as a lead organization per submission deadline identified in this solicitation. 

Any IHE that receives an ART award is not allowed to submit a proposal to this program as the lead organization in any future competitions of this solicitation.

Centers of Research Excellence in Science and Technology (CREST) Postdoctoral Research Program (PRP) 23-555 10/04/2024 See next
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Only individuals may submit proposals. There is no limit on the number of individual postdoctoral fellowship proposers per institution.

Major Research Instrumentation Program: 23-519 10/15/2024 See next
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Two (2) in Track 1, one (1) in Track 2 and one (1) in Track 3 as described below. Potential PIs are advised to contact their sponsored projects office well in advance of the MRI submission window regarding processes used to select proposals for submission.

The MRI program requires that an MRI-eligible organization may, as a performing organization, submit or be included as a significantly funded[2] subawardee in no more than three MRI proposals in Tracks 1 and 2 as defined below, with no more than two (2) submissions in Track 1 and no more than one (1) submission in Track 2. One (1) additional submission is permitted in the newly defined Track 3. As a result, it is now possible for an institution to submit up to four MRI proposals within the Track limits described above.

Any MRI proposal may request support for either the acquisition or development of a research instrument or an upgrade of an existing research instrument. Within their submission limit, NSF strongly encourages an organization to submit proposals for innovative development projects.

  • Track 1: Track 1 MRI proposals are those that request funds from NSF greater than or equal to $100,000[1] and less than $1,400,000.
  • Track 2: Track 2 MRI proposals are those that request funds from NSF greater than or equal to $1,400,000 up to and including $4,000,000.
  • Track 3 MRI proposals are those that request funds from NSF greater than or equal to $100,000[1] and less than or equal to $4,000,000 for the purchase, installation, operation, and maintenance of equipment and instrumentation to reduce consumption of helium.


[2]An unfunded collaboration does not count against the submission limit. Inclusion as a funded subawardee on a development proposal at a level in excess of 20% of the total budget requested from NSF, or as a funded subawardee, when allowed, on any acquisition proposal, will be counted against an organization's proposal submission limit. Separately submitted linked collaborative proposals count against the submission limit of each of the submitting organizations. However, if a subaward to an organization in a development proposal is 20% or less of the proposal's total budget request from NSF, the subawardee's submission limit will not be affected. For subawards within a linked collaborative proposal, the 20% threshold applies to the budget request from NSF in the proposal containing the subaward(s), not to the combined budget request from NSF for the collaborative project.

 

Mathematical and Physical Sciences Ascending Postdoctoral Research Fellowships 23-501 10/16/2024 See next
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Only individuals may submit proposals. There is no limit on the number of candidates or Fellows that an organization may host. Scientific mentors are strongly discouraged from serving as the primary scientific mentor of more than one Ascend Fellow at a time. 

Mathematical Sciences Postdoctoral Research Fellowships 23-603 10/16/2024 See next
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Only individuals may submit proposals. There is no limit on the number of fellows that an institution may host.

Advanced Computing Systems & Services: Adapting to the Rapid Evolution of Science and Engineering Research 23-518 10/29/2024 1

An organization may submit only one proposal but may be a subawardee on other proposals responding to this solicitation. The restriction to no more than one submitted proposal as lead institution is to help ensure that there is appropriate institutional commitment necessary for responsible oversight, by the potential awardee institution, of a national resource.

Collaborative projects may only be submitted as a single proposal in which a single award is being requested (PAPPG Chapter II.E.3.a). The involvement of partner organizations should be supported through subawards administered by the submitting organization.

These eligibility constraints will be strictly enforced in order to treat everyone fairly and consistently. In the event that an organization exceeds this limit, the proposal received within the limit will be accepted based on the earliest date and time of proposal submission (i.e., the first proposal received will be accepted and the remainder will be returned without review). No exceptions will be made.

NSF Earth Sciences Postdoctoral Fellowships 22-625 10/30/2024 See next
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Only individuals may submit proposals. There is no limit on the number of fellows that an institution may host.

SBE Postdoctoral Research Fellowships 23-500 11/06/2024 See next
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Only individuals may submit proposals. There is no limit on the number of Fellows that an institution may host.

Postdoctoral Research Fellowships in Biology 23-620 11/07/2024 See next
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Only individuals may submit proposals. There is no limit on the number of fellows that an institution may host.

Science, Technology, Engineering and Mathematics (STEM) Education Individual Postdoctoral Research Fellowships 23-544 12/03/2024 See next
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Only individuals may submit proposals. There is no limit on the number of Individual Postdoctoral Fellowship proposers that an organization may host.

Centers of Research Excellence in Science and Technology 23-595 12/06/2024 1

Only one preliminary proposal may be submitted per eligible institution and due date. 

Full CREST Center proposals are to be submitted only when invited by NSF in response to a successful preliminary proposal.

An institution may have only one active CREST Center award at one time, irrespective of focus area.

Institutions that have completed a Phase I or Phase II award in a disciplinary area may re-compete in other disciplinary areas that are significantly different from those of the previous award(s). To be significantly different, the new project must also have new PIs, co-PIs, and faculty investigators. The research to be supported cannot be derived from the previous award.

Institutions with active Phase I funding should submit the Phase II preliminary proposal by the due date before the full proposal is due and prior to the expiration of their Phase I award. For example, Phase I CREST Centers ending in 2025 should submit their preliminary proposals in 2023 to avoid disruptions in funding.

Centers of Research Excellence in Science and Technology HBCU Research Infrastructure for Science and Engineering 23-565 12/06/2024 1

An institution may have only one active HBCU-RISE award, irrespective of focus area. Therefore, institutions with an active HBCU-RISE award are not eligible to submit a proposal in response to this solicitation unless the active award will end prior to the proposed start date specified in the proposal. The institution is responsible for verifying if they have a current active HBCU-RISE award.

Only one HBCU-RISE proposal may be submitted per eligible institution.

Separately submitted collaborative (linked) proposals are not allowed and will be returned without review.

Strengthening the Cyberinfrastructure Professionals Ecosystem (SCIPE) 23-521 01/16/2025 1

Institutions are limited to one SCIPE proposal per competition.  In the event that an institution exceeds this limit, proposals will be accepted based on earliest date and time of proposal submission, i.e., the first proposal will be accepted, and the remainder will be returned without review. No exceptions will be made.

 

Incorporating Human Behavior in Epidemiological Models 24-507 02/01/2025 See next
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There are no restrictions or limits.

Faculty Development in geoSpace Science 23-577 03/03/2025 1

An institution may submit only one proposal in response to this solicitation per target date.

Collaborative proposals are not allowed.

NSF Scholarships in Science, Technology, Engineering, and Mathematics 24-511 03/04/2025 2

An institution may submit up to two proposals (either as a single institution or as a subawardee or a member of an inter-institutional consortia project (lead or co-lead) for a given S-STEM deadline. Multiple proposals from an institution must not overlap with regard to S-STEM eligible disciplines. See Additional Eligibility Information below for more details (see IV. Eligibility Information).

Institutions with a current S-STEM award should wait at least until the end of the third year of execution of their current award before submitting a new S-STEM proposal focused on students pursuing degrees in the same discipline(s).

The above restrictions do not apply to collaborative planning grant proposals.