(a) The surveyor shall certify officially:
(1) to the correctness of the survey;
(2) that the survey was made according to law;
(3) that the survey was actually made in the field; and
(4) that the field notes are duly recorded, giving the book and page.
(b) If the survey was made by a deputy, the county surveyor shall certify officially that:
(1) he has examined the field notes;
(2) he finds them correct; and
(3) he has determined that the survey is duly recorded, giving the book and page of record.