[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[S. 5345 Introduced in Senate (IS)]

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119th CONGRESS
  2d Session
                                S. 5345

To provide for the delivery of artificial intelligence functional bills 
                 of materials, and for other purposes.


_______________________________________________________________________


                   IN THE SENATE OF THE UNITED STATES

                             August 6, 2026

  Ms. Slotkin introduced the following bill; which was read twice and 
              referred to the Committee on Armed Services

_______________________________________________________________________

                                 A BILL


 
To provide for the delivery of artificial intelligence functional bills 
                 of materials, and for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. ARTIFICIAL INTELLIGENCE FUNCTIONAL BILL OF MATERIALS.

    (a) Artificial Intelligence Functional Bill of Materials.--The 
Secretary of Defense, in coordination with the Under Secretary of 
Defense for Research and Engineering, the Under Secretary of Defense 
for Acquisition and Sustainment, the Chief Digital and Artificial 
Intelligence Officer, and the Chief Information Officer shall revise 
the Defense Federal Acquisition Regulation Supplement to prohibit the 
Department of Defense from entering into, renewing, or extending a 
contract for the procurement of goods or services that utilize 
artificial intelligence, unless the contractor--
            (1) submits to the Chief Digital and Artificial 
        Intelligence Officer an artificial intelligence functional bill 
        of materials prior to the award, renewal, or extension of the 
        contract; and
            (2) maintains the bill of materials such that the 
        contractor can deliver an updated bill of materials to the 
        relevant component of the Department of Defense within 48 hours 
        of a request for such bill of materials.
    (b) Format and Contents of Artificial Intelligence Functional Bill 
of Materials.--
            (1) In general.--A functional bill of materials described 
        under subsection (a) shall--
                    (A) include details related to the software, data, 
                and hardware underpinning systems utilizing artificial 
                intelligence in accordance with paragraphs (2), (3) and 
                (4) of this subsection.
                    (B) be machine-readable; and
                    (C) disclose sufficient detail to enable a timely 
                assessment by the Department of Defense of the impact 
                of--
                            (i) newly identified vulnerabilities;
                            (ii) security risks;
                            (iii) integrity concerns affecting 
                        software, models, or data; and
                            (iv) other newly available risk-relevant 
                        information affecting components incorporated 
                        into or relied upon by the artificial 
                        intelligence system.
            (2) Minimum requirements for software section of artificial 
        intelligence functional bill of materials.--The software 
        section of the artificial intelligence functional bill of 
        materials required under subsection (a) shall include the 
        following minimum elements:
                    (A) A description of all models of the artificial 
                intelligence, including--
                            (i) pre-trained foundation models;
                            (ii) fine-tuned models customized for 
                        specific Department of Defense use cases 
                        through transfer learning or additional 
                        training;
                            (iii) internally trained models, including 
                        custom architectures and algorithms for the 
                        Department of Defense;
                            (iv) other model versions and 
                        configurations deployed in production, along 
                        with their hyperparameters and deployment 
                        context; and
                            (v) for each models described in clauses 
                        (i) through (iv)--
                                    (I) the model name;
                                    (II) the model identifiers;
                                    (III) the model version or release 
                                identifier;
                                    (IV) the model supplier;
                                    (V) the model origin;
                                    (VI) the model lineage;
                                    (VII) the model license;
                                    (VIII) the integrity reference;
                                    (IX) a description of any self-
                                hosted or custom models across 
                                containers or virtual machines;
                                    (X) any model source registries and 
                                versions; and
                                    (XI) a description of artificial 
                                intelligence agents and their 
                                functional boundaries (abilities to 
                                read, write, and execute).
                    (B) A description of the dependencies of the 
                artificial intelligence, including--
                            (i) the machine-learning frameworks used to 
                        build and run the artificial intelligence;
                            (ii) the developer-level artificial 
                        intelligence technologies and software 
                        development kits, including integrated 
                        development environment extensions;
                            (iii) any third-party packages, including 
                        supporting libraries and open-source components 
                        that models of the artificial intelligence 
                        depend on;
                            (iv) the runtime dependencies necessary for 
                        training, serving, or orchestrating artificial 
                        intelligence models in production; and
                            (v) any direct and nested transitive 
                        relationships.
                    (C) The security and governance of the artificial 
                intelligence, including--
                            (i) identity verification and access, 
                        including service accounts, roles, permissions, 
                        and credentials the artificial intelligence 
                        system uses;
                            (ii) access paths, including external 
                        application programming interfaces;
                            (iii) security controls, such as policies, 
                        classifiers, and validation mechanisms that 
                        apply to the artificial intelligence 
                        components;
                            (iv) guardrail safety configurations and 
                        filters; and
                            (v) model context protocol server tool 
                        configurations.
                    (D) Any access history and permissions granted by 
                the artificial intelligence, including--
                            (i) a description of the ownership of and 
                        access to the artificial intelligence system by 
                        the Department of Defense;
                            (ii) the change history, including audit 
                        trails that show who modified components, when, 
                        and why; and
                            (iii) a description of the approval 
                        workflows, including processes that govern how 
                        artificial intelligence components move through 
                        development, testing, and production.
                    (E) The performance metrics and model updates, 
                including--
                            (i) use cases, prioritizing high-impact use 
                        cases; and
                            (ii) performance metrics, such as accuracy 
                        and latency.
            (3) Data section of artificial intelligence bill of 
        materials.--The data section of the artificial intelligence 
        functional bill of materials required under subsection (a) 
        shall include the following minimum elements:
                    (A) The training data, including datasets used to 
                train or fine-tune models of the artificial 
                intelligence, including their origin, licensing, and 
                any applied preprocessing.
                    (B) The inference-time data, such as data sources 
                any model of the artificial intelligence accessed 
                during production, including real-time APIs, feature 
                stores, or data warehouses.
                    (C) Data storage, including the underlying storage 
                systems, such as cloud storage, databases, or vector 
                databases, that hold artificial intelligence-related 
                data.
                    (D) Metadata on components' name, precise version, 
                file paths, open-source licenses, package managers, and 
                unique identifiers such as purl or cryptographic 
                hashes.
                    (E) For each dataset described in subparagraphs (A) 
                through (D)--
                            (i) the dataset name;
                            (ii) the dataset version or date of 
                        creation or last update, whichever is more 
                        recent;
                            (iii) the dataset location;
                            (iv) the integrity reference;
                            (v) the sensitivity of the data;
                            (vi) the license to use such data;
                            (vii) the data supplier;
                            (viii) the creator of the data contained in 
                        the dataset;
                            (ix) the data origin;
                            (x) the data lineage;
                            (xi) the country of origin; and
                            (xii) the data processing history.
            (4) Hardware section of artificial intelligence functional 
        bill of materials.--The hardware section of the artificial 
        intelligence functional bill of materials required under 
        subsection (a) shall include relevant information of the 
        physical infrastructure that the artificial intelligence runs 
        on, including the following minimum elements:
                    (A) Compute resources, including graphics 
                processing units, tensor processing units, and other 
                acceleration hardware artificial intelligence workloads 
                use.
                    (B) Any storage and networking that supports the 
                artificial intelligence, including the cloud 
                infrastructure supporting artificial intelligence 
                operations and other network paths between components.
                    (C) Cloud environments, including accounts, 
                regions, and deployment boundaries on which artificial 
                intelligence workloads run.
    (c) Applicability of Software Bill of Materials Requirements to 
Artificial Intelligence.--
            (1) In general.--Not later than 180 days after the date of 
        the enactment of this Act, the Secretary of Defense, in 
        coordination with the Under Secretary of Defense for Research 
        and Engineering, the Under Secretary of Defense for Acquisition 
        and Sustainment, the Chief Digital and Artificial Intelligence 
        Officer, and the Chief Information Officer shall develop 
        regulations, guidance, and policies to ensure that current 
        policies, regulations, and guidance relating to the use, 
        submission, or maintenance of a software bill of materials 
        shall apply to the software that underpins artificial 
        intelligence systems used, developed, or procured by the 
        Department of Defense.
            (2) Report.--Not later than one year after the date of the 
        enactment of this Act, the Secretary of Defense shall submit to 
        the Committee on Armed Services of the Senate and the Committee 
        on Armed Services of the House of Representatives a report on--
                    (A) the status of the implementation of the 
                regulations, guidance, and policies developed under 
                paragraph (1), including any challenges, 
                recommendations, and legislative or regulatory action 
                needed to enhance the effectiveness of such 
                implementation;
                    (B) the feasibility and necessity of updating 
                Department of Defense Instruction 5000.87, Operation of 
                the Software Acquisition Pathway (October 2, 2020) and 
                the software acquisition pathway established under 
                section 3603 of title 10, United States Code, with 
                requirements for--
                            (i) an artificial intelligence software 
                        bill of materials; and
                            (ii) a more detailed software bill of 
                        materials in the procurement of software, 
                        hardware, artificial intelligence technologies, 
                        and cryptographic technologies; and
                    (C) the estimated costs of implementing the 
                requirements described in subparagraph (B).
    (d) Cybersecurity Considerations for Bill of Materials.--
            (1) In general.--Not later than 180 days after the date of 
        the enactment of this Act, the Director of the Defense Systems 
        Agency and Chief Information Officer shall issue guidance on to 
        procuring agencies on appropriate storage of any bill of 
        material submitted under subsection (a) to align with the 
        cybersecurity requirements of the Department of Defense.
            (2) Contents.--The guidance issued under paragraph (1) 
        shall include--
                    (A) strict access controls;
                    (B) digital signing and hashing;
                    (C) secure sharing mechanisms; and
                    (D) centralized repositories to prevent tampering 
                and unauthorized access.
    (e) Definitions.--In this section:
            (1) Artificial intelligence.--The terms ``artificial 
        intelligence'' have the meanings given such terms, 
        respectively, in section 5001 of the National Artificial 
        Intelligence Initiative Act of 2020 (15 U.S.C. 9401).
            (2) Software bill of materials.--The term ``software bill 
        of materials'' means the records kept in the normal course of 
        business that identify each component, library, and dependency 
        comprising a software application.
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