A custodian may deny a request to inspect or copy a public record under State Government Article, §§10-615 —10-619, Annotated Code of Maryland. If a custodian denies a request to inspect or copy a public record, the custodian shall: Immediately notify the applicant; and Within 10 working days, provide the applicant with a written statement that provides the: Reason for the decision; Legal basis for the decision; and Notice of remedies for review of the denial. If a portion of the public record can be inspected or copied and that portion can be separated from the portion that cannot be inspected or copied, the custodian shall provide the person inspecting or copying the public record the portion that can be inspected or copied.