It certainly is true. The first version of this system was initially devised by the German employers as a means of deflecting calls for nationalisation of industry after '45, then accepted by the unions and the Western occupation powers who controlled industrial relations in the years after WW2. It was enshrined in the 1952 Betriebsverfassungsgesetz -though it has roots in the early 20s' institutionalisation of works councils as a reaction to any real power they had in the 1918-19 revolutionary period. The full version of 'Mitbestimmung' currently in force dates from the early 70s.
Employee (note not union) representatives have legal obligations to respect commercial secrecy and to try to resolve disputes with the co-determination framework. The idea is that they are 'co-partners' with a common interest with the employers.
In the current dispute over the closure of Rover at Longbridge, the German TUists on the BMW board did not inform the British unions about the discussions on the board. It appears that they thought that getting rid of Rover might make their own jobs more secure, though I imagine they also were concerned not to do anything illegal.
Bruce Robinson
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