Immediately after the publication is completed, the tax collector shall file with the county recorder a copy of the publication and an attached affidavit. This affidavit is prima facie evidence of the facts stated. The affidavit shall show:
(a) That it is affixed to a true copy of the publication.
(b) The manner of publication.
(c) If the publication was in a newspaper, its name and place of publication and the date of each appearance.
(d) If not published in a newspaper, the places of posting.
The county recorder may destroy such publications and affidavits that have been on file in his office for more than seven years.