(a) Within 15 days after the designation of an owner’s building as a vacant building, the determination of delinquency of registration or fee payment, the denial or revocation of registration, or the designation of a vacant building as a blighted vacant building, the owner may petition the Mayor for reconsideration by filing the form prescribed by the Mayor. Within 30 days after receiving the petition, the Mayor shall issue a notice of final determination.
(b) Within 45 days after the date of the notice of final determination under subsection (a) of this section, an owner may file an appeal with the Real Property Tax Appeals Commission for the District of Columbia on the form prescribed by the Mayor; provided, that the notice of final determination under subsection (a) of this section shall be a prerequisite to filing an appeal with the Real Property Tax Appeals Commission for the District of Columbia.