TY - BOOK ED - Advisory, Conciliation and Arbitration Service. TI - Disclosure of information to trade unions for collective bargaining purposes T2 - ACAS code of practice SN - 0117818399 PY - 1997/// CY - London PB - Stationery Office KW - Trade-unions KW - Law and legislation KW - Great Britain KW - Employees KW - Reporting to ER -