If a complaint alleges that a custodian denied inspection of a public record in violation of the Act, the Board may request that the custodian provide, as appropriate in the Board’s discretion: A copy of the public record for in camera inspection, unless the custodian’s response to the request for a public record indicated that inspection was denied under General Provisions Article, §4-301(a)(2)(ii), Annotated Code of Maryland; A descriptive index of the public record; or A written reason why the record cannot be disclosed. The Board shall maintain the confidentiality of records or information provided under §A of this regulation.