Uniform Code of Military Justice
Article 64. Ranklock.
(a) A court-martial may impose ranklock when authorized by the sentencing guidelines.
(b) A ranklock shall identify—
(i) the maximum grade permitted;
(ii) its duration; and
(iii) the event or date upon which it terminates.
(c) Ranklock requires approval of—
(i) the Assistant Judge Advocate General responsible for the member’s service; and
(ii) either the Judge Advocate General or Deputy Judge Advocate General.
(d) Expiration of ranklock restores eligibility for promotion but does not itself confer promotion or advancement.