Maryland Election Law Section 13-406
§ 13-406.
  (a)   In this Part II of this subtitle the following words have the meanings indicated.
  (b)   "Incumbent" means a member of the General Assembly.
  (c)   "Legislative newsletter" means an unsolicited document used by an incumbent, without supervision by, or coordination with, the General Assembly, to disseminate information to a constituent, voter, or potential voter about:
    (1)   the incumbent's performance in legislative office; or
    (2)   one or more issues of public interest chosen by the incumbent.
  (d)   "Publication expense" means an expenditure relating to writing, publishing, printing, issuing, mailing, or distributing a legislative newsletter.