Recognition of another union in place of existing Representative Union

(1) If any time any union makes an application to the Registrar for being recognized in place of the Union already recognized as the Representative Union for an industry in the local area on the ground that it has a me membership of fifty one percentum or more of the employees employed in such industry the Registrar shall call upon the Representative union by a notice in writing accompanied by a copy of the application to show cause within one month of the receipt of such notice why the