Maryland Code, Commercial Law § 24-402

(a)(1) Except as provided in paragraph (2) of this subsection, and unless otherwise ordered by a court, a person that has possession, custody, or control of receivership property shall turn the receivership property over to the receiver on demand of the receiver.

(2) If a creditor has possession, custody, or control of receivership property and the validity, perfection, or priority of the creditor's lien on the receivership property depends on the creditor's possession, custody, or control, subject to § 24-401(c)(2) of this subtitle, the creditor may retain possession, custody, or control until the court enters an order providing adequate protection of the creditor's lien.