The appellate court of competent jurisdiction pursuant to the rules fixed by the Supreme Court pursuant to Section 4 of Article 6 of the Nevada Constitution may, on its own motion or on motion of the respondent, dismiss an appeal:
1. If the appeal is irregular in any substantial particular.
2. If the appellant has failed to comply with the requirements for docketing of the record on appeal or filing briefs, unless for good cause shown an extension is granted.