The answer is No according to Code Interpretation 17-005 issued by the California State Fire Marshal.
Code Compliance
Demystifying Fire-Retardant-Treated Wood Specifications
Writing a strong, generic specification for Fire-Retardant-Treated Wood helps ensure code-compliant FRTW will be installed, competition will be encouraged, and ultimately performance and value for the owner will be delivered. This article, which appeared in the Read more…