624.6  When triable.
  Causes shall be triable at any time after the expiration of twenty days after legal and timely service has been made.
[C51, §1763; R60, §3007; C73, §2744; C97, §3655; C24, 27, 31, 35, 39, §11436; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §624.6]