Wash. Admin. Code § 246-817-380
The attending dentist, without reasonable cause, shall not neglect, ignore, abandon, or refuse to complete the current procedure for a patient. If the dentist chooses to withdraw responsibility for a patient of record, the dentist shall:
[Statutory Authority: RCW 18.32.035. WSR 95-21-041, § 246-817-380, filed 10/10/95, effective 11/10/95.]