 The Act declared that unions could not be sued for damages incurred during a strike.Its key reform was to add the famous words, now found in the Trade Union and Labour Relations (Consolidation) Act 1992, section 219, to the Conspiracy and Protection of Property Act 1875 that, "An act done in pursuance of an agreement or combination by two or more persons shall, if done in contemplation or furtherance of a trade dispute, not be actionable unless the act, if done without any such agreement or combination, would be actionable.