622.13  Civil liability.
  No witness is excused from answering a question upon the mere ground that the witness would be thereby subjected to a civil liability.
[C51, §2396; R60, §3988; C73, §3646; C97, §4611; C24, 27, 31, 35, 39, §11266; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §622.13]