Wash. Rev. Code § 41.05A.240
The effective date of the lien and notice to withhold and deliver provided in RCW 41.05A.230 is the day that it is received by the department of labor and industries or a self-insurer as defined in chapter 51.08 RCW. Service of the lien and notice to withhold and deliver may be made personally, by regular mail with postage prepaid, or by electronic means. A statement of lien and notice to withhold and deliver must be mailed to the recipient at the recipient's last known address by certified mail, return receipt requested, no later than two business days after the authority mails, delivers, or transmits the lien and notice to withhold and deliver to the department of labor and industries or a self-insurer.
RCW 41.05A.240
Effective date-Findings-Intent-Report-Agency transfer-References to head of health care authority-Draft legislation-2011 1st sp.s. c 15: See notes following RCW 74.09.010.