602.1602  Sunday — permissible acts.
  A court shall not be opened on Sunday and judicial business shall not be transacted on Sunday, except to:
  1.  Give instructions to a jury then deliberating on its verdict.
  2.  Receive a verdict or discharge a jury.
  3.  Exercise the powers of a magistrate in a criminal proceeding.
  4.  Perform other acts as provided by law.
83 Acts, ch 186, §1602, 10201
Analogous or related provisions, §626.6, 639.5, 643.3, and 667.3