Stipulation of Extension of Time to File Brief (Civil Case) (APP-012) Tell the Court of Appeal that all the parties in an appeal in a civil case have agreed to give one of the parties more time to file a brief. Get form APP-012 Effective: January 1, 2017 View APP-012 Stipulation of Extension of Time to File Brief (Civil Case) form Go to How-to instructions for Appeals Go to Appeals Form Packets