10 USC App Rule 3: Scope of review
From Title 10-AppendixCOURTS OF MILITARY REVIEW
Rule 3 . Scope of review
In cases referred to it for review pursuant to Article 66, the Court may act only with respect to the findings and sentence as approved by the convening authority. In determining an appeal under Article 62, the Court may act only with respect to matters of law. The Court may, in addition, review such other matters and take such other action as it determines to be proper under substantive law.