Wash. Rev. Code § 23B.08.720
(1) Directors' action respecting a transaction is effective for purposes of RCW 23B.08.710(2)(a) if the transaction received the affirmative vote of a majority, but no fewer than two, of those qualified directors on the board of directors or on a duly empowered committee of the board who voted on the transaction after either required disclosure to them, to the extent the information was not known by them, or compliance with subsection (2) of this section, provided that action by a committee is so effective only if:
[ 2015 c 20 s 4; 1989 c 165 s 118.]