Within 30 days after receipt of a proper request for correction or amendment, the custodian shall: Make the requested correction or amendment and inform the person in writing of the action; Inform the person in writing of the: Refusal to make the requested correction or amendment, and Reason for the refusal; or Inform the person in writing that the record may not be amended or corrected as requested because: The person is not a person in interest, The record sought to be corrected or amended is not a personal record, The person requesting the correction or amendment is not entitled to inspect the record under State Government Article, §§10-615—10-619, or Of any other reason that is authorized by law.