W. Va. Code § 16-29D-7: Rules.

The Secretary of the Department of Human Services shall promulgate rules to carry out the provisions of this article. The policies and procedures of the rate schedule process setting forth the methodology for determination of rates, payments, and schedules are subject to the legislative rule-making procedures of §29A-1-1 et seq. of this code. The Secretary of the Department of Human Services may utilize emergency rules. The actual rates, payments, and schedules themselves shall not be subject to §29A-1-1 et seq. of this code, and may be instituted by the Secretary of the Department of Health as warranted.