For the purpose of determining the additional compensation to be paid to the county assessor of each county for the additional duties provided by section six-a of this article, the following compensations for each county assessor by class, as provided in section three of this article, are hereby established and shall be used by each county commission in determining the compensation of each county assessor; for assessors in Class I - V counties, inclusive, $15,000; for assessors in Class VI and VII counties, $10,000; for assessors in Class VIII and IX counties, $9,000; for assessors in Class X counties, $6,500.
W. Va. Code § 7-7-6b