12-686. Inadmissible evidence In any product liability action, the following shall not be admissible as direct evidence of a defect: 1. Evidence of advancements or changes in the state of the art subsequent to the time the product was first sold by the defendant. 2. Evidence of any change made in the warnings, design or methods of manufacturing or testing the product or any similar product subsequent to the time the product was first sold by the defendant.
Arizona Legal Code
§ 12.686
Source: https://www.azleg.gov/ars/12/00686.htm· Version 2026