Where is Jan 6th in the timeline you mentioned regarding filing for write-ins in Colo:
https://freerepublic.com/focus/chat/4203142/posts?page=1786#1786
filing has to be done not later than close of business on the 67th day before the March 5th primary election.
including march 5? 5 in march. 28 in Feb, 31 in Jan = 64, so 12/29/2023.
Jan 6 is the day after ballots have to be locked.
MarQ