38 CFR 20.1303: Rule 1303. Nonprecedential nature of Board decisions.

Although the Board strives for consistency in issuing its decisions, previously issued Board decisions will be considered binding only with regard to the specific case decided. Prior decisions in other appeals may be considered in a case to the extent that they reasonably relate to the case, but each case presented to the Board will be decided on the basis of the individual facts of the case in light of applicable procedure and substantive law.