Wash. Admin. Code § 246-339-040
(1) If there is a change in ownership of a Washington state registered blood establishment, the new owner must submit to the department within five working days of the change in ownership:
[Statutory Authority: RCW 43.70.040 and chapter 70.335 RCW. WSR 17-14-026, § 246-339-040, filed 6/23/17, effective 7/24/17.]