If a custodian denies a request to inspect or copy a public record for a reason other than the record is temporarily unavailable, the applicant may, within 30 days after receipt of the notice of the denial, request an administrative review of that denial. If the applicant requests an administrative review of the denial, the agency head shall require that the administrative review is conducted according to State Government Article, Title 10, Subtitle 2, Annotated Code of Maryland and COMAR 12.11.04. Under State Government Article, §10-623, Annotated Code of Maryland, a person adversely impacted by a decision under §A of this regulation may file a complaint with the circuit court.