Colo. Rev. Stat. § 25-4-604
The health department or health officer shall serve notice upon the owner of a dog, cat, other pet animal, or other mammal which has attacked or bitten a person to confine the animal at the expense of the owner upon his premises or at a pound or other place designated in the notice for a period designated by the department of public health and environment. The health department, health officer, or his representative shall be permitted by the owner of such dog, cat, other pet animal, or other mammal to examine the animal at any time within the period of confinement to determine whether such animal shows symptoms of rabies. No person shall obstruct or interfere with the authorized person in making such examination.
C.R.S. § 25-4-604
For the legislative declaration contained in the 1994 act amending this section, see section 1 of chapter 345, Session Laws of Colorado 1994.