Maryland Code, Real Property § 8A-1601

(a) In an action by the park owner for eviction based on nonpayment of rent or for recovery of unpaid rent, the resident may raise:

(b) If, in an action by the park owner for eviction based on nonpayment of rent, the resident raises a defense other than payment, the resident may petition the circuit court for the appointment of a trustee to receive the rent of the resident, apply the same to correcting the deficiency complained of and make a full accounting thereof to the court. The court shall give the parties a reasonable opportunity to present evidence as to the controversy before a trustee is appointed.