Maryland Family Law Section 5-707
§ 5-707.
  (a)   Subject to federal and State law, the Administration shall provide by regulation adopted in accordance with Title 10, Subtitle 1 of the State Government Article:
    (1)   procedures for protecting the confidentiality of reports and records made in accordance with this subtitle;
    (2)   conditions under which information may be released;
    (3)   conditions for determining in cases whether abuse, neglect, or sexual abuse is indicated, ruled out, or unsubstantiated; and
    (4)   procedures for the appeal processes provided in this subtitle.
  (b)   The local department shall expunge a report of suspected abuse or neglect and all assessments and investigative findings:
    (1)   within 5 years after the date of referral if the investigation under § 5-706 of this subtitle concludes that the report is unsubstantiated, and no further reports of abuse or neglect are received during the 5 years; and
    (2)   within 120 days after the date of referral if the report is ruled out, and no further reports of abuse or neglect are received during the 120 days.