The common stock of any subsidiary of an insurer may always be valued on the basis of the value of only such of the assets of such subsidiary as would constitute lawful investments for the insurer if acquired or held directly by the insurer under either the requirements of chapter 48.13 or 48.31B RCW, or both.
Wash. Admin. Code § 284-16-170
Order R 76-7, § 284-16-170, filed 11/30/76.