1. For a group of employees to be certified as a union:
   1. management must agree to the certification
   2. 90% of all employees must sign a card and vote in favour of the union
   3. 25% of the employees must sign and vote in favour
   4. 40 % of workers in the bargaining unit must sign cards and 50% must vote in favour of the union
   5. All workers must agree that they want a union to represent them