38 C.F.R. § 18b.18
Complainants not parties
A person submitting a complaint pursuant to § 18.7(b) of this chapter is not a party to the proceedings governed by this part, but may petition, after proceedings are initiated, to become an amicus curiae.
A person submitting a complaint pursuant to § 18.7(b) of this chapter is not a party to the proceedings governed by this part, but may petition, after proceedings are initiated, to become an amicus curiae.