SDCL § 15-26A-75: Time for serving and filing briefs.

(1) Appellant's brief. If a transcript is obtained prior to appeal, or if no transcript is ordered, the appellant's brief shall be due within forty-five days after service of the notice of appeal. If a transcript is ordered but not received prior to appeal, or if procedures pursuant to § 15-26A-54 or 15-26A-55 are followed, the appellant's brief shall be due within forty-five days after service of the transcript or filing of the statements provided for in § 15-26A-54 or 15-26A-55.

(2) Appellee's brief. The appellee's brief shall be due for service and filing within forty-five days after service of the appellant's brief, or in the case of multiple appellants, within forty-five days after service of the last appellant's brief.

(3) Appellant's reply brief. The appellant's reply brief shall be due for service and filing within thirty days after service of the appellee's brief, or in the case of multiple appellees, within thirty days after service of the last appellee's brief.

In any appeal from a judgment or order in an adoption or an abuse and neglect proceeding, including a judgment or order terminating parental rights, all time periods under subdivisions (1) and (2) of this section shall be reduced to twenty-five days, and the time period under subdivision (3) shall be reduced to fifteen days.