Colorado Revised Statutes Title 1. Elections § 1-13-719. Employer's unlawful acts

(a) In any manner to control the action of his employees in casting their votes for or against any person or measure at any precinct caucus, assembly, or convention; or

(b) To refuse to an employee the privilege of taking time off to vote as provided by section 1-7-102, or to subject an employee to a penalty or reduction of wages because of the exercise of such privilege, or to violate any of the provisions of section 1-7-102 in any other way; or

(c) In paying his employees the salary or wages due them, to enclose their pay in pay envelopes upon which there is written or printed any political mottoes, devices, or arguments containing threats, express or implied, intended or calculated to influence the political opinions, views, or actions of such employees; or

(d) Within ninety days of any election provided by law, to put up or otherwise exhibit in his factory, workshop, mine, mill, boardinghouse, office, or other establishment or place where his employees may be working or be present in the course of such employment any handbill, notice, or placard containing any threat, notice, or information that, if any particular ticket or candidate is elected, work in his place or establishment will cease in whole or in part, or his establishment will be closed, or the wages of his workmen will be reduced or containing other threats, express or implied, intended or calculated to influence the political opinions or actions of his employees.