Md. Code, Family Law § 5–4B–10

(a) If a confidential intermediary files a report under § 5-4B-07 of this subtitle stating that an individual sought has not been located, the confidential intermediary shall continue to make reasonable attempts to contact the individual sought for the period specified in the search, contact, and reunion services agreement executed in accordance with § 5-4B-05 or § 5-4B-11 of this subtitle.

(b) If the confidential intermediary is unsuccessful at locating the individual sought within the period specified in the search, contact, and reunion services agreement, the confidential intermediary shall file a report with the Director stating the failure to locate the individual sought.