Within fifteen days after the date of first publication, the person requesting such publication shall:

(a) Cause a copy of such notice to be personally delivered to or to be mailed by registered mail addressed to each person in possession or engaged in the working of the land whose name and address is shown by the affidavit or affidavits of examination of the land filed, as set forth in §3742.3-1.

(b) Cause a copy of such notice to be personally delivered to or to be mailed by registered mail addressed to each person who may, on or before the date of first publication, have filed for record, as to any lands described in the published notice, a Request for Notices, as provided in subsection (d) of section 7 of the Act (see §3744.1);

(c) Cause a copy of such notice to be mailed by registered mail to each person whose name and address is set forth in the certificate required to be filed under §3742.3-1; and

(d) File in the office where the Request for Publication was filed an affidavit that copies have been delivered or mailed as herein specified. Notwithstanding the requirements in paragraphs (a), (b) and (c) of this section, not more than one copy of such notice need be delivered or mailed to the same person.