The provisions as to renewal are in full as follows (sec. 23): "_Provided_, That in the case of any posthumous work or of any periodical, cyclopaedic, or other composite work upon which the copyright was originally secured by the proprietor thereof, or of any work copyrighted by a corporate body (otherwise than as assignee or licensee of the individual author) or by an employer for whom such work is made for hire, the proprietor of such copyright shall be entitled to a renewal and extension of the copyright in such work for the further term of twenty-eight years when application for such renewal and extension shall have been made to the copyright office and duly registered therein within one year prior to the expiration of the original term of copyright: _And provided further_, That in the case of any other copyrighted work, including a contribution by an individual author to a periodical or to a cyclopaedic or other composite work when such contribution has been separately registered, the author of such work, if still living, or the widow, widower or children of the author, if the author be not living, or if such author, widow, widower, or children be not living, then the author's executors, or in the absence of a will, his next of kin shall be entitled to a renewal and extension of the copyright in such work for a further term of twenty-eight years when application for such renewal and extension shall have been made to the copyright office and duly registered therein within one year prior to the expiration of the original term of copyright: _And provided further_, That in default of the registration of such application for renewal and extension, the copyright in any work shall determine at the expiration of twenty-eight years from first publication." {Sidenote: Extension of subsisting copyrights} The extension of copyrights subsisting July 1, 1909, is provided for as follows (sec. 24): "That the copyright subsisting in any work at the time when this Act goes into effect may, at the expiration of the term provided for under existing law, be renewed and extended by the author of such work if still living, or the widow, widower, or children of the author, if the author be not living, or if such author, widow, widower, or children be not living, then by the author's executors, or in the absence of a will, his next of kin, for a further period such that the entire term shall be equal to that secured by this Act, including the renewal period: _Provided, however_, That if the work be a composite work upon which copyright was originally secured by the proprietor thereof, then such proprietor shall be entitled to the privilege of renewal and extension granted under this section: _Provided_, That application for such renewal and extension shall be made to the copyright office and duly registered therein within one year prior to the expiration of the existing term." {Sidenote: Assignee of unpublished manuscripts}