shall establish public labour exchanges for work of every description. Industrial Peace. The Labour Disputes Act of May 5, 1929, and amending acts of May 19, 1931, and July 6, 1933, embody regulations respecting mediation in labour disputes, and judgments in disputes concerning the interpretation of tariff agreements (Industrial Court), and in disputes respecling boycott (Boycott Tribunal). Further, it establishes the Industrial Court and the Boycott Tribunal, also a mediation institution (State medi- ator and district mediators). The Workers’ Committees Act of July 23, 1920, applies to private and public undertakings em- ploying not less than 50 workers, and permits the establishment of workers’ committees whose opinion shall be heard by the managing body on questions relating to changes in the working of the undertaking, general provisions relating to wages, and other working conditions (used to a very limited extent). The Civil Servants Rights’ Act of July 6, 1933, comprises public services; gives public employees the right to negotiate through their organisations respecting salaries and working conditions, and provides for the establishment of a special tri- bunal for the settlement of disputes between the State and the organisations regarding the inter- pretation and application of the general terms and conditions ruling remuneration and service. Act relating to Small Holdings and Housing 173