What disqualifies a proposed title of an initiative?

Federal Law on Popular Referendum (March 14, 2014)

Article 21. Any request for popular referendum shall be included in a document that should meet, at least, the following requirements:

I. Full name and signature of the applicant or applicants;

II. The purpose of the referendum and arguments that make the topic a national significance, and

III. The question proposed for the referendum shall be made without trending contents or value judgment and formulated in such a way that it produces a straight answer in a positive or negative way; and it shall be related to the topic of the referendum.

Only one question may be formulated at the request for popular referendum.