I, , assessor of the county (city) of , state of Tennessee, do solemnly swear (or affirm) that I have assessed all taxable property, in the county (city) of , as far as ascertainable, to the true owners thereof, and that I have determined the classification and assessed valuation of all taxable property as prescribed by law; and that I have faithfully discharged all my duties without fear, favor, or affection to the best of my knowledge and ability, so help me God.