Washington Revised Code Title 48. Insurance § 48.46.480. Continuation of coverage of former family members

Every health care service agreement issued, amended, or renewed after January 1, 1986, for an individual and his or her dependents shall contain provisions to assure that the covered spouse and/or dependents, in the event that any cease to be a qualified family member by reason of termination of marriage or death of the principal enrollee, shall have the right to continue the health maintenance agreement without a physical examination, statement of health, or other proof of insurability.