C.R.S. § 30-10-505
30-10-505. Vacancy in office - powers of undersheriff
30-10-505. Vacancy in office - powers of undersheriff. When a vacancy occurs in the office of sheriff of any county, the undersheriff of such county shall in all things execute the office of sheriff until a sheriff is appointed or elected and qualified. Any default or misfeasance in office of such undersheriff in the meantime, as well as before such vacancy, shall be deemed to be a breach of the condition of the bond given by the sheriff who appointed the undersheriff or the insurance policy purchased by the county on the sheriff's behalf.