Section 633.447. Trial and hearing.

  The trial of a claim and the offsets or counterclaims, if any, shall be to the court without a jury; provided, however, that the court may, in its discretion, either on its own motion or upon the motion of any party, submit the same to a jury; and provided further, that in the event that the amount of the claim or a counterclaim exceeds the sum of three hundred dollars, either party shall be entitled to a jury trial, if written demand therefor is made as provided in the rules of civil procedure in relation to the trial of ordinary actions.

[C51, §1360, 1362, 1366; R60, §2392, 2394, 2398; C73, §2411, 2415; C97, §3341, 3344; C24, 27, 31, 35, 39, §11963, 11966; C46, 50, 54, 58, 62, §635.59, 635.62; C66, 71, 73, 75, 77, 79, 81, §633.447]

See R.C.P. 1.902