Each year, not later than 30 days after the date the chief's or director's determination as to the presumptions under Section 27-48 are final, the chief or director shall send a notice to the owner as to whether the presumptions under Section 27-48 are still satisfied. The chief or director may, at any time, determine that the presumptions under Section 27-48 are no longer satisfied and shall then notify the owner of the chief's determination. (Ord. Nos. 30714; 32057)