In all hearings involving the taking of testimony and the formulation of a record subject to review by the courts, where the board determines that representative activity in such hearing requires a high degree of legal training, experience, and skill, the board may limit those who may appear in a representative capacity to attorneys at law.
Wash. Admin. Code § 298-08-020
Order, § 298-08-020, filed 1/13/70; § 2, filed 12/13/67.