Some downtown Bozeman businesses still requiring masks after lifting of emergency rule Some downtown businesses opt to keep requiring masks to protect unvaccinated customers By: Cody Boyer and last updated 2021-05-17 22:00:33-04 BOZEMAN â Gallatin County, as well as many other areas now, have had a full weekend without face-covering rules after the Gallatin City-County Health Department followed CDC guidance and lifted those restrictions on Friday. The health officer says while it will no longer be enforced, businesses can choose to continue following their own mask rules and many are. Itâs been an action thatâs been coming for more than a year: lifting the emergency health regulations and restrictions across Gallatin County by the pen of Gallatin County Health Officer Matt Kelley.