It is unlawful for any person other than an authorized inspector of the state board of stock inspection commissioners to take into custody or retain possession of any estray, except as provided in section 35-44-107. Any person who takes into custody and retains possession of any estray without notifying the state board of stock inspection commissioners within the time as provided in this article is guilty of a class 6 felony and, upon conviction thereof, shall be punished as provided in section 18-1.3-401, C.R.S.