As used in this article, the term:

(1) "Interested party" means:

(A) Those parties having an interest in the property as revealed by a certification of title to the property conducted in accordance with the title standards of the State Bar of Georgia;

(B) Those parties having filed a notice in accordance with Code Section 48-3-9; and

(C) Any other party having an interest in the property whose identity and address are reasonably ascertainable from the records of the petitioner or records maintained in the county courthouse or by the clerk of the court. "Interested party" shall not include the holder of the benefit or burden of any easement or right of way whose interest is properly recorded which interest shall remain unaffected.

(2) "Redemption amount" means the full amount of the delinquent ad valorem taxes, accrued interest at the rate specified in Code Section 48-2-40, penalties determined in accordance with Code Section 48-2-44, and costs incurred by the governmental entity in collecting such taxes including without limitation the cost of title examination and publication of notices.