To secure fair, reasonable, adequate, and nondiscriminatory rates for workers’ compensation insurance the director or his designee shall approve the rate for each classification under which workers’ compensation insurance is written, which rate and classification must be the same for all insurers. The director or his designee shall, in approving the rates, make use of the experience data which may be available and any other helpful information that may be obtainable.

A proceeding under this section is considered a proceeding to fix or alter rates for consumer services in relation to the duties of the Division of Consumer Advocacy.