OMB M-26-04: minimum LLM transparency in federal procurement

Solicitations for large language models request, as a minimum, the vendor's acceptable use policy, model, system or data cards, end-user resources and a feedback mechanism

From clause to evidenceThe chain from OMB M-26-04 to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.ClauseOMB M-26-04M-26-04Duty holderUS federalagencies…Applies from2025-12-11In forceArtefactAcceptable usepolicyLayersLayer 02Layer 05Evidence recordEvidence recordv1Same topic elsewhere: no crosswalk topic files this clause yetAs of 2026-09-24 · illustrative, not a claim of conformity From clause to evidenceThe chain from OMB M-26-04 to its evidence record, in 6 steps; the text alternative lists them and the facts under the figure state each in full.ClauseOMB M-26-04 · M-26-04Duty holderUS federal agencies…Applies from2025-12-11 · In forceArtefactAcceptable use policyLayersLayer 02Layer 05Evidence recordEvidence record v1Same topic elsewhere: no crosswalk topicfiles this clause yetAs of 2026-09-24illustrative, not a claim of conformity
From clause to evidence Build the artefact, then file every output it produces as a record that names AIGE-OBL-USFED-OMB-M26-04. Drawn from chapter 08.
Text alternative
  • Clause: OMB M-26-04, M-26-04.
  • Duty holder: US federal agencies….
  • Applies from: 2025-12-11, In force.
  • Artefact: Acceptable use policy.
  • Layers: Layer 02, Layer 05.
  • Evidence record: Evidence record v1.
  • Record schema: Evidence record.
  • No crosswalk topic files this clause yet.
Id
AIGE-OBL-USFED-OMB-M26-04
Instrument
OMB Memorandum M-26-04 (unbiased AI principles in procurement) framework
Clause
M-26-04
In scope
US federal agencies and LLM vendors
Authority
OMB
Applies from
In force · Issued 2025-12-11; agency policies updated by 2026-03-11
Later dates
  • Agency procurement policies updated

The artefact that evidences it

Acceptable use policy; model, system or data cards; end-user resources; feedback channel.

Patterns that build it

No pattern in the catalogue names this clause on its "Maps to" line yet; the artefact above is the engineering answer.

Source

Chapter 08, section Federal law that already reaches AI, checked against its sources on the review date above.

Machine-readable

Cite this obligation

García Aibar, J. (2026). OMB M-26-04: minimum LLM transparency in federal procurement (AIGE-OBL-USFED-OMB-M26-04). In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0). https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/obligations/aige-obl-usfed-omb-m26-04. CC BY 4.0

BibTeX

@misc{aige2026obligation,
  author       = {Jorge García Aibar},
  title        = {{OMB M-26-04: minimum LLM transparency in federal procurement (AIGE-OBL-USFED-OMB-M26-04)}},
  howpublished = {In AI Governance Engineering: The Thesis \& Body of Knowledge},
  year         = {2026},
  version      = {0.5.0},
  doi          = {10.5281/zenodo.22956197},
  url          = {https://aigovernanceengineer.com/obligations/aige-obl-usfed-omb-m26-04},
  note         = {Version 0.5.0}
}