Wash. Admin. Code § 352-70-030
(1) The requirements for reporting boating accidents apply to each vessel used on the waters of Washington state that:
[Statutory Authority: Chapter 79A.05 RCW, RCW 79A.05.030, 79A.05.070 and chapter 79A.60 RCW. WSR 08-24-004, § 352-70-030, filed 11/20/08, effective 12/21/08. Statutory Authority: RCW 79A.05.310(4). WSR 01-02-021, § 352-70-030, filed 12/21/00, effective 1/21/01. Statutory Authority: RCW 43.51.400. WSR 84-01-060 (Order 73), § 352-70-030, filed 12/19/83.]