Wyo. Stat. § 22-24-406: Grounds for denying certification of initiative or referendum application.

(a) The secretary of state shall deny certification of a referendum application if he determines that:

(i) The committee of applicants failed to submit a sufficient number of qualified registered voters as sponsors;

(ii) The application is not substantially in the required form; or

(iii) More than ninety (90) days have expired since the adjournment of the legislative session at which the act being referred was passed.