80 Ill. Adm. Code 1110.20
Employee Organizations Seeking Recognition
Section 1110
Section 1110.20 Employee
Organizations Seeking Recognition
a) An employee organization seeking recognition in a bargaining
unit in which no other employee organization has lawfully attained
representation rights may either request that the employer voluntarily
recognize it or may file a representation petition with the Board.
b) An employee organization seeking recognition in a bargaining
unit in which another employee organization has lawfully attained
representation rights may pursue its request only by filing a representation
petition with the Board.