Maryland State Personnel and Pensions Section 21-502
§ 21-502.
  (a)   (1)   Except as provided in paragraph (2) of this subsection, a person may not attach, execute, garnish, or otherwise seize any current or future benefit under this Division II or any money in a fund created under this Division II.
    (2)   A court of competent jurisdiction may expressly order that a benefit under this Division II be assigned in a decree or order of alimony, child support, or divorce, or in a court-approved property settlement incident to a court decree or order.
  (b)   An assignment under this section only applies to benefits paid after the Board of Trustees receives:
    (1)   written notice of the court decree or order; and
    (2)   any additional information that the Board of Trustees requires.
  (c)   The Board of Trustees is not liable for an improper payment to a person because the Board of Trustees did not receive written notice of a court decree or order.