A Federal Court judgment handed down in the NSW registry on 22 April 2026 has set the first detailed Australian test for the admissibility of AI-generated evidence. The case, a commercial dispute over contract performance, turned on document briefs that one party had summarised using a commercial generative AI tool and tendered without disclosing the tool, the prompts, or any verification step. Justice Henderson did not exclude AI-assisted material outright. The judgment instead lays out a three-part admissibility test that is likely to travel quickly across other registries. The model and version used must be identified on the record. The prompts and inputs that produced the output must be available for inspection. And a human verification step, performed by a person who can speak to the work, must be capable of being demonstrated. Material that fails any one of the three is open to challenge on weight, and may be excluded outright where reliance is heavy. The practical implication for in-house legal and compliance teams is immediate. Prompt logs are now a discovery item. Treat them like one from today. *TheAICommand. Intelligence, At Your Command.*
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TheAICommand. Intelligence, At Your Command.