COMMUNITY COLLEGES ‑- EMPLOYEES ‑- LABOR ‑- LEGALITY OF AGENCY SHOP CLAUSE COVERING COMMUNITY COLLEGE ACADEMIC EMPLOYEES The board of trustees of a community college district may not legally include what is commonly referred to as an "agency shop" clause in a negotiated agreement entered into between such board and the faculty employees of the district under the provisions of chapter 28B.52 RCW for the reason that such a clause is prohibited by RCW 28B.52.070.