...his employees, subject to the provisions of Section 9 (a). Representatives and Elections SEC. 9. (a) Representatives designated or selected for the purposes...unit for the purposes of collective bargaining in respect to rates of pay, wages, hours of employment, or other conditions of employment: Provided, That...

...must bargain with the "representatives designated or selected for the IBI purposes of collectively bargaining by the majority of the employees in a unit appropriate for such purposes." In determining whether a new employer must recognize and bargain with a union that has represented...

...This is illustrated in the American, Canadian, Polish and Japanese reports. The American NLRA clearly provides that: Representatives designated or selected...representatives of all the employees in such unit for the purpose of collective bargaining in respect to rates of pay, wages, hours of employment, or other conditions...