The board of county commissioners shall compare the annual reports and statements made to it by the prosecuting attorney, clerk of the court of common pleas, sheriff, and county treasurer, take all necessary measures to rectify errors in such reports and to trace and correct any discrepancies between them, and place on its journal the result of such examination. All such reports shall be recorded by the county auditor in a book kept specially for that purpose.
R.C. §305.19