Maryland Family Law Section 10-110
§ 10-110.
  (a)   The Administration may:
    (1)   charge an initial application fee of not more than $25 for support services;
    (2)   deduct from the child support payment to defray the cost of providing support enforcement services under:
      (i)   the Income Tax Refund Intercept Program under this subtitle; and
      (ii)   the Federal Treasury Offset Program; and
    (3)   collect fees from the obligor to defray the costs of providing support enforcement services.
  (b)   Except as provided in subsection (a) of this section, the Administration may not:
    (1)   collect fees from the child support obligee; or
    (2)   deduct fees from the child support payment.