Part II · Filings

Rule 24. SUPPLEMENTAL BRIEFS

Amended January 15, 2026 (current) Contains Deadlines

(1) During oral argument the Chief Justice or, in the absence of the Chief Justice, the Justice who is presiding over the argument, may order or give leave to file supplemental briefs from counsel on designated matters that require discussion, development, or clarification and may provide for the time in which the briefs are to be filed. An application for leave to file the supplemental brief is not required under such circumstances.

(2) Other supplemental briefs may be filed only with leave of the Court. Any communication with the Court regarding recent authority which comes to the attention of a party subsequent to the filing of the party's brief or after oral argument, but before decision, must be filed in 26 compliance with this rule as a supplemental brief. Unless otherwise ordered by the Court, any response to the supplemental brief shall be made within five days after the supplemental brief is filed and shall be in accordance with this rule. An application for leave to file a supplemental brief shall be filed in the form of a motion and shall attach the proposed brief as Exhibit 1. If leave is granted, a party shall file the brief as ordered by the Court, but no later than five days from the date the request to file is approved.

(3) Supplemental briefs may not be used to expand the enumeration of errors.