RCW 29B.10.350

"Lobby" and "lobbying" each mean attempting to influence the passage or defeat of any legislation by the legislature of the state of Washington, or the adoption or rejection of any rule, standard, rate, or other legislative enactment of any state agency under the state administrative procedure act, chapter 34.05 RCW. Neither "lobby" nor "lobbying" includes an association's or other organization's act of communicating with the members of that association or organization.