Idaho Code § 50-1746: Proof of notice.

The treasurer shall, before issuing any deed to the municipality, make and file his affidavit showing a full compliance with the requirements of the preceding section as to giving notice of the expiration of the period of redemption; before issuing a deed to the holder of any delinquency certificate, the treasurer shall require that affidavits be filed showing a complete compliance with the provisions of the previous section as to giving such notice. Such proof shall be filed in the office of the treasurer and remain a permanent record in such office. Any person making a false affidavit as to any fact required herein shall be guilty of perjury.