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R-DFARS Clause

252.240-7997

NIST SP 800-171 DoD Assessment Requirements
Source deviation PDF →
Effective Date
February 1, 2026
Deviation
Versions
1

This text is not in eCFR or DITA. It is extracted from the Revolutionary FAR Overhaul deviation guide for FAR Part 40. The parsed text is a convenience layer; the Source PDF tab is authoritative. Always verify against the official deviation PDF.

As prescribed in 240.370-5(e). See the Prescription tab for the prescribing policy text.

NIST SP 800-171 DOD ASSESSMENT REQUIREMENTS (DEVIATION 2026-O0025)(FEB 2026)

  1. (a) Definitions. Covered contractor information system has the meaning given in the clause 252.204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting, of this contract. High Assessment means an assessment that is conducted by Government personnel, trained in accordance with DoD policy and procedures, using NIST SP 800-171A, Assessing Security Requirements for Controlled Unclassified Information that—
    1. (1) Consists of—
      1. (i) A review of a contractor's previous assessment(s), as applicable;
      2. (ii) A thorough document review;
      3. (iii) Verification, examination, and demonstration of a Contractor's system security plan to validate that NIST SP 800-171 security requirements have been implemented as described in the contractor's system security plan; and
      4. (iv) Discussions with the contractor to obtain additional information or clarification, as needed; and
    2. (2) Results in a confidence level of “High” in the resulting score. Medium Assessment means an assessment conducted by Government personnel, trained in accordance with DoD policy and procedures, using NIST SP 800-171A, Assessing Security Requirements for Controlled Unclassified Information that—
      1. (1) Consists of—
        1. (i) A review of a contractor's previous assessment(s), as applicable;
        2. (ii) A thorough document review; and
        3. (iii) Discussions with the contractor to obtain additional information or clarification, as needed; and
      2. (2) Results in a confidence level of “Medium” in the resulting score.
  2. (b) Applicability. This clause applies to covered contractor information systems that are required to comply with the National Institute of Standards and Technology (NIST) Special Publication (SP) 800-171, in accordance with Defense Federal Acquisition Regulation System (DFARS) clause at 252.204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting, of this contract.
  3. (c) Requirements. The Contractor shall provide access to its facilities, systems, and personnel necessary for the Government to conduct a Medium or High NIST SP 800-171 DoD Assessment, using the methodology described at 32 CFR 170.24, if necessary. The results of Medium or High NIST SP 800-171 DoD Assessments, when conducted by DCMA, will take precedence over any other assessment, in accordance with 32 CFR 170.16(a)(1)(iv), 32 CFR 170.17(a)(1)(iv), and 32 CFR 170.18(a)(1)(iv).
  4. (d) Procedures. Summary level scores for all assessments will be posted in the Supplier Performance Risk System (SPRS) (https://www.sprs.csd.disa.mil/) to provide DoD Components visibility into the summary level scores of strategic assessments. Medium and High Assessments. DoD will post the following Medium and/or High Assessment summary level scores to SPRS for each system security plan assessed:
    1. (i) The standard assessed (e.g., NIST SP 800-171 Rev 1).
    2. (ii) Organization conducting the assessment, i.e., DCMA.
    3. (iii) All industry CAGE code(s) associated with the information system(s) addressed by the system security plan.
    4. (iv) Date and level of the assessment, i.e., medium or high.
    5. (v) Summary level score (overall numerical score, not the individual value assigned for each requirement).
    6. (vi) Date that all requirements are expected to be implemented based on information gathered from associated plan(s) of action developed in accordance with NIST SP 800-171.
  5. (e) Rebuttals. (1) DoD will provide Medium and High Assessment summary level scores to the Contractor and offer the opportunity for rebuttal and adjudication of assessment summary level scores prior to posting the summary level scores to SPRS (see SPRS User's Guide https://www.sprs.csd.disa.mil/pdf/SPRS_Awardee.pdf).
  6. (2) Upon completion of each assessment, the contractor has 14 business days to provide additional information to demonstrate that they meet any security requirements not observed by the assessment team or to rebut the findings that may be of question.
  7. (f) Accessibility. (1) Assessment summary level scores posted in SPRS are available to DoD personnel, and are protected, in accordance with the standards set forth in DoD Instruction 5000.79, Defense-wide Sharing and Use of Supplier and Product Performance Information (PI).
  8. (2) Authorized representatives of the Contractor for which the assessment was conducted may access SPRS to view their own summary level scores, in accordance with the SPRS Software User's Guide for Awardees/Contractors available at https://www.sprs.csd.disa.mil/pdf/SPRS_Awardee.pdf.
  9. (3) A High NIST SP 800-171 DoD Assessment may result in documentation in addition to that listed in this clause. DoD will retain and protect any such documentation as “Controlled Unclassified Information (CUI)” and intended for internal DoD use only. The information will be protected against unauthorized use and release, including through the exercise of applicable exemptions under the Freedom of Information Act (e.g., Exemption 4 covers trade secrets and commercial or financial information obtained from a contractor that is privileged or confidential).
  10. (g) Subcontracts. The Contractor shall insert the substance of this clause, including this paragraph (g), in all subcontracts and other contractual instruments, including subcontracts for the acquisition of commercial products or commercial services (excluding commercially available off-the-shelf items).

Prescription: 240.370-5 Solicitation provisions and contract clauses

As prescribed in 240.370-5(e). Scope applicability here before applying the clause.

  1. (a) Insert the provision at 252.204-7008, Compliance with Safeguarding Covered Defense Information Controls, in all solicitations, including solicitations using FAR part 12 procedures for the acquisition of commercial products and commercial services, except for solicitations solely for the acquisition of commercially available off-the-shelf (COTS) items.
  2. (b) Insert the clause at 252.204-7009, Limitations on the Use or Disclosure of Third-Party Contractor Reported Cyber Incident Information, in all solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial services, for services that include support for the Government's activities related to safeguarding covered defense information and cyber incident reporting.
  3. (c) Insert the clause at 252.204-7012, Safeguarding Covered Defense Information and Cyber Incident Reporting, in all solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial services, except for solicitations and contracts solely for the acquisition of COTS items.
  4. (d) Insert the clause at 252.240-7997, NIST SP 800-171 DoD Assessment Requirements, in all solicitations and contracts, task orders, or delivery orders, including those using FAR part 12 procedures for the acquisition of commercial products and commercial services, except for those that are solely for the acquisition of COTS items.

Version history

One version on record, first captured 2026-06-11 15:53:13, effective February 1, 2026.

Clause text (pages 41–43)

Rendered from the deviation PDF. Open the full PDF.

Source page for 252.240-7997
Source page for 252.240-7997
Source page for 252.240-7997