The commissioner and the actuary, before entering upon their duties, shall take and subscribe to the oath required by the constitution of Colorado, which oath shall be filed in the office of the secretary of state.
C.R.S. § 10-1-106
This section is similar to former § 10-1-105 as it existed prior to 2002.
For the oath of office, see Colo. Const., art. XII, § 8.