663.31  Answer.
  The defendant in the answer must state whether the defendant then has, or at any time has had, the plaintiff under the defendant’s control and restraint, and if so the cause thereof.
[C51, §2241; R60, §3829; C73, §3478; C97, §4446; C24, 27, 31, 35, 39, §12498; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §663.31]
Referred to in §822.1