Washington Revised Code Title 48. Insurance § 48.12.420. Assuming insurer--Domiciled in this state or state with similar statutes

(1) Credit is allowed when the reinsurance is ceded to an assuming insurer that is domiciled in, or in the case of a United States branch of an alien assuming insurer is entered through, a state that employs standards regarding credit for reinsurance substantially similar to those applicable under this statute and the assuming insurer or United States branch of an alien assuming insurer:

(2) Subsection (1)(a) of this section does not apply to reinsurance ceded and assumed pursuant to pooling arrangements among insurers in the same holding company system.