Maryland Election Law Section 13-226

      (a)      The limits on contributions in this section do not apply to:

            (1)      a contribution to a ballot issue committee; or

            (2)      those contributions defined as transfers.

      (b)      Subject to subsection (c) of this section, a person may not, either directly or indirectly, in an election cycle make:

            (1)      aggregate contributions in excess of:

                  (i)      $4,000 to any one campaign finance entity; or

                  (ii)      $10,000 to all campaign finance entities; or

            (2)      a contribution of money in excess of $100 except by check or credit card.

      (c)      (1)      Notwithstanding subsection (b) of this section, a central committee of a political party may make aggregate in-kind contributions during an election cycle that are not in excess of:

                  (i)      for a State central committee, $1 for every two registered voters in the State; and

                  (ii)      for a local central committee, $1 for every two registered voters in the county.

            (2)      For the purposes of paragraph (1) of this subsection, the number of registered voters is determined, regardless of party affiliation, as of the first day of the election cycle.

      (d)      The limit on contributions to the campaign finance entity of a candidate applies regardless of the number of offices sought by the candidate or campaign finance entities formed to support the candidate.

      (e)      Contributions by a corporation and any wholly-owned subsidiary of the corporation, or by two or more corporations owned by the same stockholders, shall be considered as being made by one contributor.