tled to recover in lieu of profits and damages a royalty as provided in section one, subsection (e), of this Act: Provided also, That whenever any person, in the absence of a license agreement, intends to use a copyrighted musical composition upon the parts of instruments serving to reproduce mechanically the musical work, relying upon the compulsory license provision of this Act, he shall serve notice of such intention, by registered mail, upon the copyright proprietor at his last address disclosed by the records of the copyright office, sending to the copyright office a duplicate of such notice; and in case of his failure so to do the court may, in its discretion, in addition to sums hereinabove mentioned, award the complainant a further sum, not to exceed three times the amount provided by section one, subsection (e), by way of damages, and not as a penalty, and also a temporary injunction until the full award is paid.
Rules and regulations for practice and procedure under this section shall be prescribed by the Supreme Court of the United States.
Sec. 26. That any court given jurisdiction under section thirty-four of this Act may proceed in any action, suit, or proceeding instituted for violation of any provision hereof to enter a judgment or decree enforcing the remedies herein provided.
Sec. 27. That the proceedings for an injunction, damages, and profits, and those for the seizure of infringing copies, plates, molds, matrices, and so forth, aforementioned, may be united in one action.
Sec. 28. That any person who willfully and for profit shall infringe any copyright secured by this Act, or who shall knowingly and willfully aid or abet such infringement, shall be deemed guilty of a misdemeanor, and upon conviction thereof shall be punished by imprisonment for not exceeding one year or by a fine of not less than one hundred dollars nor more than one thousand dollars, or both, in the discretion of the court: Provided, however, That nothing in this Act shall be so construed as to prevent the performance of religious or secular works, such as oratorios, cantatas, masses, or octavo choruses by public schools, church choirs or vocal societies, rented, borrowed, or obtained from some public library, public school, church choir, school choir, or vocal society, provided the performance is given for charitable or educational purposes and not for profit.
Sec. 29. That any person who, with fraudulent intent, shall insert or impress any notice of copyright required by this Act, or words of the same purport, in or upon any uncopyrighted article, or with fraudulent intent shall remove or alter the copyright notice upon any article duly copyrighted shall be guilty of a misdemeanor, punishable by a fine of not less than one hundred dollars and not more than one thousand dollars. Any person who shall knowingly issue or sell any article bearing a notice of United States copyright which has not been copyrighted in this country, or who shall knowingly import any article bearing such notice or words of the same purport, which has not been copyrighted in this country, shall be liable to a fine of one hundred dollars.
Sec. 30. That the importation into the United States of any article bearing a false notice of copyright when there is no existing copyright thereon in the United States, or of any piratical copies of any work copyrighted in the United States, is prohibited.
Sec. 31. That during the existence of the American copyright in any book the importation into the United States of any piratical copies thereof or of any copies thereof (although authorized by the author or proprietor) which have not been produced in accordance with the manufacturing provisions specified in section fifteen of this Act, or any plates of the same not made from type set within the limits of the United States, or any copies thereof produced by lithographic or photo-engraving process not performed within the limits