RCW 48.21.250: Continuation option to be offered.

Every insurer that issues policies providing group coverage for hospital or medical expense shall offer the policyholder an option to include a policy provision granting a person who becomes ineligible for coverage under the group policy, the right to continue the group benefits for a period of time and at a rate agreed upon. The policy provision shall provide that when such coverage terminates, the covered person may convert to a policy as provided in RCW 48.21.260.