The January 2025 diffusion rule added ECCN 4E091 for some model weights and says it “does not control the ‘parameters’ of any artificial intelligence model that has been ‘published’”. Commerce stopped enforcing the rule in May 2025.
5 entriesKey dates 7First entry Jan 2025Latest Checked
This interim final rule (IFR) will formally rescind the "Framework for Artificial Intelligence Diffusion" rule issued by the Biden Administration in January 2025--which BIS has already stopped enforcing.
Bureau of Industry and Security Notice: The Unified Agenda says a planned interim final rule will formally rescind the January 2025 AI diffusion rule, which BIS has stopped enforcing.
In the Bureau of Industry and Security regulatory-plan section, RIN 0694-AJ90, 'Implementation of the AI Action Plan Through Export Controls,' is described as an interim final rule that will rescind the January 2025 Framework for Artificial Intelligence Diffusion and establish a replacement framework. The notice does not publish the rescission itself.
Bureau of Industry and Security Rule: BIS states it is enforcing the worldwide advanced-computing license requirement only for specified country groups, citing its May 13, 2025 guidance.
The final rule, published July 14, 2026, and effective July 10, 2026, removes the United Arab Emirates from Country Groups D:3 and D:4 and adds it to Country Group A:5. It says BIS is only enforcing the section 742.6(a)(6)(iii)(A) license requirement for destinations in Country Groups D:1, D:4, or D:5, with stated exclusions, and for entities headquartered in or with an ultimate parent headquartered in Country Group D:5 or Macau.
Bureau of Industry and Security Guidance: BIS says its non-enforcement of the AI Diffusion Rule's new requirements does not cover exports for D:5 or Macau-headquartered entities.
The guidance says that in May 2025 BIS announced it would not enforce the AI Diffusion Rule's new compliance requirements. It says a license is still required under section 742.6(a)(6)(iii)(A) for specified advanced computing items when the recipient is headquartered in, or has an ultimate parent headquartered in, Country Group D:5 or Macau.
Department of Commerce Announcement: Commerce instructs staff not to enforce the AI Diffusion Rule and says BIS plans a regulation formalizing rescission.
The release, headed for immediate release on May 13, 2025, says the AI Diffusion Rule was issued on January 15, 2025, with compliance requirements set for May 15, 2025. It says Under Secretary Jeffery Kessler instructed enforcement officials not to enforce the rule, and that BIS plans to publish a regulation formalizing the rescission and a replacement rule.
Bureau of Industry and Security Rule: BIS adds ECCN 4E091 for certain closed-weight model weights and states it is not imposing controls on open-weight models.
On open weightsAccordingly, BIS and its interagency partners are not today imposing controls on open-weight models.
The interim final rule, 90 FR 4544, is effective January 13, 2025, with compliance for most changes on May 15, 2025. Its text says ECCN 4E091 does not control the parameters of a model that has been published as defined in section 734.7(a) of the EAR, and that no open-weight model was known to have been trained on more than 10^26 operations.
Maple runs open-weight models inside a hardware-isolated enclave. Maple cannot see your chats. How it works
Every entry cites one primary source, quotes the document’s own words about open weights, and is checked against that source before it publishes. Corrections keep the old wording visible. Methodology · Corrections · Suggest an entry or a correction
