Maryland State Government Section 15-409

      (a)      An entity that is required to file a report, statement, or record under this title shall obtain each account, bill, receipt, book, paper, or other document necessary to complete and substantiate the report or statement.

      (b)      The entity shall retain the document for 3 years after:

            (1)      the date the report, statement, or record was filed; or

            (2)      if the report, statement, or record is not filed, the date the report, statement, or record was required to be filed.

      (c)      On request by the Ethics Commission, and after reasonable notice, the documents shall be available for inspection by the Ethics Commission.