California Code, Public Utilities Code - PUC § 99564.2

(a) An employee organization alleging that it has filed a request for recognition as an exclusive representative with an employer and that the request has been denied or has not been acted upon within 30 days after the filing of the request.

(b) An employee organization alleging that it has filed a competing claim of representation pursuant to subdivision (b) of Section 99564.1.

(c) An employee organization wishing to be certified by the board as the exclusive representative. The petition for certification as the exclusive representative in an appropriate unit shall include proof of a 30-percent showing of interest designating the organization as the exclusive representative of the employees.