Idaho Rules of Civil Procedure Rule 59(c). Time for Serving Affidavits on Motion for New Trial.
When a motion for a new trial is based upon affidavits they shall be served with the motion. The opposing party has fourteen (14) days after such service within which to serve opposing affidavits, which period may be extended for an additional period not exceeding twenty one (21) days either by the court for good cause shown or by the parties by written stipulation. The court may permit reply affidavits.
(Amended June 15, 1987, effective November 1, 1987.)