Section 27
SEC. 27. When an application is made subject to an existing recorded mortgage, the holder of which has consented thereto, or to a recorded lease, or when the registration is to be made subject to such mortgage or lease executed after the time of the application and before the date of the transcription of the decree, the applicant shall, if required by the court, file a certified copy of such mortgage or lease, and shall cause the original, or in the discretion of the court, a certified copy thereof to be presented for registration before the decree of registration is entered, and no registration fee shall be charged for registering such original mortgage or lease or such certified copy.