New York Consolidated Laws, Military Law - MIL § 130.69. Execution of sentence;  suspension of sentence

(b)(1) If a sentence extends to dismissal, or a dishonorable or bad-conduct discharge or any confinement and if the right of the accused to appellate review is not waived, and an appeal is not withdrawn under section 130.61 of this article, that part of the sentence extending to dismissal, or a dishonorable or bad-conduct discharge or any confinement may not be executed until there is a final judgment as to the legality of the proceedings (and with respect to dismissal, approval under subdivision (a) of this section).  A judgment as to legality of the proceedings is final in such cases when review is completed by the board of military review with the approval of the adjutant general and:

(2) If a sentence extends to dismissal or a dishonorable or bad-conduct discharge or any confinement and if the right of the accused to appellate review is waived, or an appeal is withdrawn, under section 130.61 of this article, that part of the sentence extending to dismissal or a bad-conduct or dishonorable discharge or confinement may not be executed until review of the case by a judge advocate (and any action on that review) under section 130.63 of this article is completed.  Any other part of a court-martial sentence may be ordered executed by the convening authority or other person acting on the case under section 130.60 of this article when approved by him under such section.