The Colorado Parks and Wildlife Commission will consider establishing a horn and antler collecting closure on all public lands west of I-25 January 1-April 30 at their November 16 meeting in Yuma. In addition, they will consider a proposal to require purchase of an annual $40 antler and horn collection permit. The meeting agenda can be found here. You can read the proposed regulations at this link. The portion about the new season is on page 2, and the proposed new permit is on page 9.