38 C.F.R. § 19.29
The Statement of the Case must be complete enough to allow the appellant to present written and/or oral arguments before the Board of Veterans' Appeals. It must contain:
(c) The determination of the agency of original jurisdiction on each issue and the reasons for each such determination with respect to which disagreement has been expressed.
(Authority: 38 U.S.C. 7105(d)(1) (2016))
[57 FR 4104, Feb. 3, 1992, as amended at 84 FR 178, Jan. 18, 2019]