I.R.E. 407 (2026)

When measures are taken that would have made an earlier injury or harm less likely to occur, evidence of the subsequent measures is not admissible to prove:

negligence;

culpable conduct;

a defect in a product or its design; or

a need for a warning or instruction.

But the court may admit this evidence for another purpose, such as impeachment or – if disputed – proving ownership, control, or the feasibility of precautionary measures.

(Adopted March 26, 2018, effective July 1, 2018.)

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