10th Cir. R. 31.1: Opening brief for appellant/petitioner

(A) Appeals from district court.

(1) Retained Counsel. When the appellant is required to file an appendix, the appellant’s brief and appendix must be filed within 40 days after the date the district court Clerk (as required by Rule 11.1) notifies the parties and the circuit Clerk that the record is complete for purposes of appeal.

(2) Appointed counsel; pro se. In all other cases, appellant’s opening brief must be filed and served according to Federal Rule of Appellate Procedure 31(a).

(B) Review and enforcement proceedings. In cases seeking review or enforcement of agency orders, petitioner’s opening brief must be filed within 40 days after the date when the certified list is filed or the date when the record is filed, whichever occurs first.