From Longman Dictionary of Contemporary Englishfree collective bargainingˌfree colˌlective ˈbargaining noun [uncountable] British English BELtalks between trade unions and employers about pay or working conditions that are not controlled by law
Examples from the Corpus
free collective bargaining• There were voices, if as yet in a minority, within both industry and government favouring the establishment of free collective bargaining.• Mr. Evans Did the Minister discuss with the unions concerned the maintenance of free collective bargaining and union recognition in the agencies? 