RCW 29B.40.240: Agency shop fees as contributions.

(1) A labor organization may not use agency shop fees paid by an individual who is not a member of the organization to make contributions or expenditures to influence an election or to operate a political committee, unless affirmatively authorized by the individual.

(2) A labor organization does not use agency shop fees when it uses its general treasury funds to make such contributions or expenditures if it has sufficient revenues from sources other than agency shop fees in its general treasury to fund such contributions or expenditures.