Bombay Industrial Relations Act (extended to Gujarat), 1946
Where an industrial dispute concerning any undertaking in an industry or section thereof has been or is to be referred to a Labour Court or Industrial Court under section 72 or 73, and the State Government is of opinion, whether on application made to it in this behalf or otherwise, that the dispute is of such a nature that any other undertaking, group or class of undertakings of a similar nature in that industry or any section thereof is likely to be interested in or affected by such dispute, the State Government may, at the time of making such reference or at any time thereafter, but before the submission of the award, include in that reference such undertaking, group or class of undertakings or any section thereof, whether or not at the time of such inclusion any dispute exists or is apprehend in that establishment, group or class of undertakings or section thereof.