Maryland Business Regulation Section 5-604
§ 5-604.
  (a)   The terms of a trust to provide for perpetual care shall be designated in a written agreement between the registered cemeterian or permit holder and trustee.
  (b)   The terms of the trust agreement:
    (1)   shall conform to this subtitle; and
    (2)   may include provisions about:
      (i)   payment of income;
      (ii)   accumulation of income;
      (iii)   reinvestment of income;
      (iv)   administration of the trust fund; and
      (v)   powers of the trustee as to investments.
  (c)   (1)   A trust agreement shall be irrevocable.
    (2)   However, a trust agreement may:
      (i)   give the registered cemeterian or permit holder the right to remove the trustee and appoint another qualified trustee; and
      (ii)   provide for the appointment of individuals as cotrustees and successor cotrustees with a corporate trustee.