Maryland Election Law Section 13-327
§ 13-327.
  (a)   A campaign finance entity that fails to file a campaign finance report required by this subtitle is subject to the sanctions provided in Part VII of this subtitle.
  (b)   The failure to provide on a campaign finance report required by § 13-304 of this subtitle all of the information required of the campaign finance entity by the State Board under this subtitle is deemed a failure to file and renders the campaign finance report overdue, only if:
    (1)   the State Board notifies the responsible officers in writing of the particular deficiencies; and
    (2)   the responsible officers fail to file a properly corrected campaign finance report within 30 days after service of the notice.