Wash. Rev. Code § 50.50.040
(1)
(a) The commissioner shall revoke the option for an Indian tribe or tribal unit to make payments in lieu of contributions as described in RCW 50.50.030 if the Indian tribe or tribal unit:
(b) The commissioner shall reinstate the option if, as of the cut-off date, an Indian tribe or tribal unit whose option was revoked as described in (a) of this subsection:
(2)
(a) Services performed for an Indian tribe or tribal unit are not services in "employment" for purposes of RCW 50.04.265 and 50.50.010 if:
(ii) The Indian tribe or tribal unit either:
(b) Services performed for an Indian tribe or tribal unit are not services in "employment" for purposes of RCW 50.04.265 and 50.50.010 if:
(ii) The Indian tribe or tribal unit either:
(3)
[ 2001 1st sp.s. c 11 s 6.]