Washington Revised Code Title 7. Special Proceedings and Actions § 7.72.050. Relevance of industry custom, technological feasibility, and nongovernmental, legislative or administrative regulatory standards

(1) Evidence of custom in the product seller's industry, technological feasibility or that the product was or was not, in compliance with nongovernmental standards or with legislative regulatory standards or administrative regulatory standards, whether relating to design, construction or performance of the product or to warnings or instructions as to its use may be considered by the trier of fact.

(2) When the injury-causing aspect of the product was, at the time of manufacture, in compliance with a specific mandatory government contract specification relating to design or warnings, this compliance shall be an absolute defense.  When the injury-causing aspect of the product was not, at the time of manufacture, in compliance with a specific mandatory government specification relating to design or warnings, the product shall be deemed not reasonably safe under RCW 7.72.030(1).