§12-990.1.

§12-990.1.
   
   When a petition in error is timely filed, the Supreme Court shall have
   jurisdiction of the entire action that is the subject of the appeal.
   No additional jurisdictional steps shall be necessary to enable the
   Supreme Court to rule upon any errors made in the trial of the action
   which are asserted by any party to the appeal and involve any other
   party to the appeal.
   
   The Supreme Court may prescribe by rule the time limits for filing
   counter-appeals and cross-appeals.