Maryland Election Law Section 13-211
§ 13-211.
  (a)   A treasurer for a campaign finance entity may appoint a subtreasurer for any county or political subdivision.
  (b)   Notwithstanding subsection (a) of this section, as to any county, a treasurer of the State or county central committee of a political party may appoint a subtreasurer for each precinct in the county.
  (c)   A treasurer may appoint a subtreasurer under subsection (a) or (b) of this section by:
    (1)   completing a form that the State Board prescribes and that includes the name and address of that subtreasurer; and
    (2)   filing the form with the board where the campaign finance entity is established.