622.24  Subscribing witness — substitute proof.
  When a subscribing witness denies or does not recollect the execution of the instrument to which the witness’ name is subscribed as such witness, its execution may be proved by other evidence.
[C51, §2403; R60, §3996; C73, §3654; C97, §4619; C24, 27, 31, 35, 39, §11277; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §622.24]