W. Va. Code § 11-15B-30
(a) Monetary allowance under Model I.--
(2) The contract between the governing board and the certified service provider may base the monetary allowance to a certified service provider on one or more of the following:
(b) Monetary allowance for Model II sellers.--
The monetary allowance to sellers under Model II may be based on the following:
(c) Prohibition on allowance or payment of monetary allowances.--
Notwithstanding subsections (a), (b) and (c) of this section, the Tax Commissioner may not allow any vendor, seller or certified service provider any monetary allowance, discount or other compensation for collecting and remitting the taxes levied by articles fifteen and fifteen-a of this chapter, or for making and filing the periodic reports required by this article, or articles fifteen and fifteen-a of this chapter, until the cost of collection study required by the agreement is completed and the monetary allowances are based on the results of that study, or on requirements of federal law requiring remote sellers to collect sales and use taxes for states that have signed the agreement.