Maryland Election Law Section 13-408
§ 13-408.
  (a)   Publication expenses may not be paid from public funds.
  (b)   Publication expenses may be paid from:
    (1)   a campaign account of a campaign finance entity of the incumbent if the campaign finance entity complies with all other requirements of this title regarding expenditures and campaign material; or
    (2)   the personal funds of the incumbent or the spouse of the incumbent if, as to each issue:
      (i)   the incumbent has not filed a certificate of candidacy;
      (ii)   the legislative newsletter contains a notice that it is disseminated at the personal expense of the incumbent; and
      (iii)   within 10 days after the first mailing or distribution of the issue, the incumbent files a campaign finance report with the State Board that contains:
        1.   a detailed list of publication expenses; and
        2.   an affidavit that no funds for the legislative newsletter have been solicited or received from any source to supplement the personal funds.