Colorado Revised Statutes Title 31. Government Municipal § 31-11-114. Unlawful acts--penalty

(a) For any person willfully and knowingly to circulate or cause to be circulated or sign or procure to be signed any petition bearing the name, device, or motto of any person, organization, association, league, or political party, or purporting in any way to be endorsed, approved, or submitted by any person, organization, association, league, or political party, without the written consent, approval, and authorization of the person, organization, association, league, or political party;

(b) For any person to sign any name other than his or her own name to any petition or knowingly to sign his or her name more than once for the same measure at one election;

(c) For any person knowingly to sign any petition relating to an initiative or referendum in a municipality who is not a registered elector of that municipality at the time of signing the petition;

(d) For any person to sign any affidavit as circulator without knowing or reasonably believing the statements made in the affidavit to be true;

(e) For any person to certify that an affidavit attached to a petition was subscribed or sworn to before him or her unless it was so subscribed and sworn to before him or her and unless the person so certifying is duly qualified under the laws of this state to administer an oath;

(f) For any officer or person to do willfully, or with another or others conspire, or agree, or confederate to do, any act that hinders, delays, or in any way interferes with the calling, holding, or conducting of any election permitted under the initiative and referendum powers reserved by the people in section 1 of article V of the state constitution or with the registering of electors therefor;

(g) For any officer to do willfully any act that shall confuse or tend to confuse the issues submitted or proposed to be submitted at any election or refuse to submit any petition in the form presented for submission at any election;

(h) For any officer or person to violate willfully any provision of this article.