At this time, the law has no rules, and there will be no rules until the legislature creates them.
The Department of Agriculture (not the State Vet or the DHHR) "may" (not shall) suggest rules to Rule Making (the Legislature: House and Senate), and that will be during rule making, and you will be able to attend that session and ask to speak during that time, but that could be a month or years away.
Those rules CANNOT deviate away from what is found nationally for other raw milk producers, either.
Read read the full bill and law, click here
You need to have a well written herdshare agreement signed with your share members.
You need to file that agreement via mail (certified if I were you) with the Department of Ag Commissioner with your name and number, as well as the share members information.
You need to include a risk statement in that agreement the buyer reads and sign.
You need to test for Brucellosis and Tuberculosis - while it isn't spelled out, these 2 tests need done by a vet, as a rule. You need these tests yearly. The language says "and other testing" as the state vet dictates, but those can only be applied within the confines of national testing standards, and there are no other testings done, normally, in dairy herds. WV regulations currently only require these testings for dairy herds that are traditional, and you have to have these tests to sell or bring animals into the state, anyway. Cost will be based on your vets charge.
The Conformation on Operate Date and the Law Came from the Chairman of Senate Rule Making:
Here is the full language