(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.