W. Va. Code § 29A-3B-3: Rules of procedure required.

In addition to other rule-making requirements imposed by law:

(a) The board shall adopt procedural rules governing the formal and informal procedures prescribed or authorized by this chapter. Procedural rules shall include rules of practice before the board, together with forms and instructions.

(b) To assist interested persons dealing with it, the board shall, so far as deemed practicable, supplement its rules or regulations with descriptive statements of its procedures.