61 STAT.] 80TH CONG., 1 6T SESS.-CH. 391-JULY 30, 1947 § 22. AD INTERIM PROTECTION or BOOK PUBLISHED ABROAD.- In the case of a book first published abroad in the English language, the deposit in the copyright office, not later than sixty days after its publication abroad, of one complete copy of the foreign edition, with a request for the reservation of the copyright and a statement of the name and nationality of the author and of the copyright proprietor and of the date of publication of the said book, shall secure to the author or proprietor an ad interim copyright, which shall have all the force and effect given to copyright by this title, and shall endure until the expiration of four months after such deposit in the copy- right office. § 23. SAME; EXTENSION TO FULL TERM.- Whenever within the period of such ad interim protection an authorized edition of such books shall be published within the United States, in accordance with the manufacturing provisions specified in section 16 of this title, and whenever the provisions of this title as to deposit of copies, registration, filing of affidavits, and the printing of the copy- right notice shall have been duly complied with, the copyright shall be extended to endure in such book for the term provided in this title. § 24. DURATIoN; RENEWAL AND EXTENSION. - The copyright secured by this title shall endure for twenty-eight years from the date of first publication, whether the copyrighted work bears the author's true name or is published anonymously or under an assumed name: Pro- vided, That in the case of any posthumous work or of any periodical, cyclopedic, or other composite work upon which the copyright was originally secured by the proprietor thereof, or of any work copy- righted 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 regis- tered 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 cyclopedic or other comlposite work, the author of such work, if still living, or the widow widowerl or chillren of the author if the author be not living, or ii 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 copy- right: 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. § 25. RENEWAL OF COPYRIGHTS REGISTERED IN PATENT OFFICE ULNDER REPEALED LAw.-Subsisting copyrights originally registered in the Patent Office prior to July 1, 1940, hnder section 3 of the act of June 18, 1874, shall be subject to renewal in behalf of the proprietor upon application made to the Register of Copyrights within one year prior to the expiration of the original term of twenty-eight years. § 26. TERaM DEFINED.- In the interpretation and construction of this title "the date of publication" shall in the case of a work of which copies are reproduced for sale or distribution be held to be the earliest 659 Posthumous work, etc. Other copyrighted \ ork. Default of registra- tion of application. Copyrights regils tered prior to July 1, 1940. 53 Stat. 1142 . "The date of publi- cation."