The appellant or representative may request that the Board obtain an opinion under Rule 901 ( § 20.901 of this part ). The request must be in writing. It will be granted upon a showing of good cause, such as the identification of a complex or controversial medical or legal issue involved in the appeal which warrants such an opinion.
Code of Federal Regulations
(Authority:
38 U.S.C. 5107(a), 7102(c), 7104(c), 7109
)