A. On or before December 20 of each year, the county assessor shall complete the assessment roll and attach the assessor’s certificate to the roll with a cross-index of all property listed in the roll, showing the ownership of the property and all assessment lists from which the roll was compiled.

B. The assessor shall deliver the lists and certified roll to the clerk of the board of supervisors who shall file them in the clerk’s office.

C. The county board of equalization and the state board of equalization may use the lists for any lawful purpose.