An execution out of this court may not be levied against real property. In order for an execution on a judgment of this court to be levied against real property, a transcript of such judgment must be filed with the county clerk of the county wherein judgment was entered, pursuant to § 1502 of this act After such transcripting, CPLR § 5018 (a) shall be applicable and the judgment enforceable accordingly. This shall not be construed to prevent the issuance of an execution out of this court, pursuant and subject to § 1504 of this act, after such transcripting.