WAC 284-55-120. Attained age rating prohibited

Effective January 1, 1989, with respect to medicare supplement insurance policies initially sold to residents of this state on or after that date, it is an unfair practice and an unfair method of competition for any insurer, and a prohibited practice for any health care service contractor or health maintenance organization, to use the increasing age of an insured, subscriber, or participant as the basis for increasing premiums or prepayment charges.