Any person interested in the grant of an interest in a copyright, either by assignment or license may make an application in the prescribed form, accompanied by the prescribed fee, the original instrument of such grant and a certified copy thereof, to the Registrar for entering the particulars of the grant in the Register of Copyrights.On receipt of an application in respect of any work under subsection (1), the Registrar shall, after holding such inquiry as he deems fit, enter the particulars of the grant in the Register of Copyrights unless, for reasons to be recorded in writing, he considers that such entry should not be made in respect of any grant. The certified copy of the grant shall be retained at the Copyright Office and the original shall be returned to the person depositing it, with a certificate of registration endorsed thereon or affixed thereto.