If required by the board of county commissioners, the county treasurer, sheriff, and county clerk and recorder, on the first Monday of each month during the officer's term of office, shall make to the chairman of the board of county commissioners a report in writing under oath of all the fees of the officer's office, of every name and description, and of all necessary expenses of clerk hire and other expenses for the month ending at the time of said report. If required, such report shall state fully the manner in which such fees accrued.
C.R.S. § 30-1-114