Collective agreement
A collective agreement or collective bargaining agreement (CBA) is an agreement between employers and employees which regulates the terms and conditions of employees in their workplace, their duties and the duties of the employer. It is usually the result of a process of collective bargaining
Collective bargaining
Collective bargaining is a process of negotiations between employers and the representatives of a unit of employees aimed at reaching agreements that regulate working conditions...

 between an employer (or a number of employers) and a trade union
Trade union
A trade union, trades union or labor union is an organization of workers that have banded together to achieve common goals such as better working conditions. The trade union, through its leadership, bargains with the employer on behalf of union members and negotiates labour contracts with...

 representing workers.

United Kingdom

In the United Kingdom, collective agreements are conclusively deemed to be not legally binding under the Trade Union and Labour Relations (Consolidation) Act 1992
Trade Union and Labour Relations (Consolidation) Act 1992
The Trade Union and Labour Relations Act 1992 is a UK Act of Parliament which regulates British labour law. The Act applies in full in England and Wales and in Scotland, and partially in Northern Ireland....

section 179. This presumption may be rebutted when the agreement is in writing and contains an explicit provision asserting that it should be legally enforceable. This reflects the tradition in British industrial relations policy of legal abstentionism from workplace disputes.
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