Washington Revised Code Title 48. Insurance § 48.20.042. Standard provision No. 1--Entire contract; changes

There shall be a provision as follows:

ENTIRE CONTRACTS; CHANGES: This policy, including the endorsements and attached papers, if any, constitutes the entire contract of insurance. No change in this policy shall be valid until approved by an executive officer of the insurer and unless such approval be endorsed hereon or attached hereto. No insurance producer has authority to change this policy or to waive any of its provisions.