656.5  Proof and record of service.
  If the terms and conditions as to which there is default are not performed within said thirty days, the party serving said notice or causing the same to be served, may file for record in the office of the county recorder a copy of the notice aforesaid with proofs of service attached or endorsed thereon (and, in case of service by publication, a personal affidavit that personal service could not be made within this state), and when so filed and recorded, the said record shall be constructive notice to all parties of the due forfeiture and cancellation of said contract.
[S13, §4300; C24, 27, 31, 35, 39, §12393; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §656.5]