The examiner is required to take the following oath, to be filed along with the order of his appointment in the office of the clerk of the superior court of his residence:
"I, __________________, do swear that I will faithfully, well, and truly perform the duties of examiner under the Land Registration Law, according to law to the best of my skill and ability.
__________________
Sworn to and subscribed
before me, this __________________, __________________.
__________________"
OCGA § 44-2-228