As soon as the auditor receives the local roll from the assessor, he shall add up the valuations on it and enter on the roll the total valuation of each kind of property and the total valuation of all property; provided, however, that if the assessment roll is a machine-prepared roll the prescribed computations and entries may be made and entered upon a newly prepared roll.
(a)
In counties of the first class, after the board of supervisors has acted under Section 2151, the auditor shall perform the duties specified in Section 2152; provided that if the assessment roll is a machine-prepared roll, the prescribed computations and entries may be made and entered upon a newly prepared roll without incorporating any of the adjustments authorized by the local board of equalization.
(b)
In all other counties, after the board of supervisors has acted under Section 2151, the auditor shall perform the duties specified in Section 2152; provided that if the assessment roll is a machine-prepared roll, the prescribed computations and entries may be made and entered upon a newly prepared roll.