Versions of See prior versions of a law on LawServer 2023 Washington Code 48.49.020 – Balance billing — When prohibited — Carrier’s duty to hold an enrollee harmless from balance billing under certain circumstances 2022 Washington Code 48.49.020 – Balance billing–When prohibited–Carrier’s duty to hold an enrollee harmless from balance billing under certain circumstances 2020 Washington Code 48.49.020 – Balance billing — When prohibited — Carrier’s duty to hold an enrollee harmless from balance billing under certain circumstances 2019 Washington Code 48.49.020