Maryland Family Law Section 5-553
§ 5-553.
  (a)   For purposes of this Part V of this subtitle, a day care provider's own children under the age of 2 years shall be counted as children served.
  (b)   (1)   At any given time, a day care provider may not care for more than 8 children, of whom no more than 4 may be under the age of 2 years.
    (2)   An adult to child ratio of at least 1 adult to every 2 children under the age of 2 years shall be maintained at all times.
  (c)   If the Department determines that the group size provisions of subsection (b) of this section are unsuitable for a particular family day care home, the Department may decrease the number of children permitted to be in care at that family day care home.