Article 10 Where the copyright owner has authorized others to make cinematographic works and works created by virtue of analogous methods of film production, it is deemed that he has permitted them to make necessary alteration of his works, insofar as such alteration does not distort or mutilate the original works. Article 11 The "assigned tasks' as provided in Paragraph 1, Article 16 of the Copyright Law, which relates to works created in the course of employment, shall refer to duties which citizens should perform in the legal entity or organization. The "material and technical resources" used for the creation of works in the course of employment as provided in Paragraph 2, Article 16 of the Copyright Law refer to fund, equipment or reference material which the legal entity or organization has provided the citizens to accomplish the creation. Article 12 During the two years after the completion of a works created in the course of employment, the author, with the consent of the legal entity or organization, authorizes a third party to exploit the works in the same way as the legal entity and receives remuneration, the remuneration shall be distributed between the author and the entity or organization at an agreed ratio. The time limit of two years after the completion of the creation of a work shall be calculated from the date on which the author thereof delivers the works to the entity. Article 13 In the case of a work of an unknown author, the copyright, except the right of authorship, shall be exercised by the owner of the original of the work. Where the author has been identified, the copyright shall be exercised by the author or his heir in title. Article 14 In the case where one of the co-authors of a joint work dies without heir in title or other bequest beneficiary of the rights owned by him as provided in Item 5-17, Paragraph 1, Article 10 of the Copyright Law, the rights shall be exercised by the other co-authors. Article 15 The right of authorship, the right of revision and the right of integrity shall, after the death of the author, be protected by the heir in title and other bequest beneficiary. In the absence of an heir in title or other bequest beneficiary, the right of authorship, the right of revision and the right of integrity shall be protected by the copyright administrative departments Article 16 The exploitation of works the copyright of which is owned by the State shall be administered by the copyright administrative department under the State Council. Article 17 In the case of posthumous works, the right of publication may be exercised by the author's heir in title or other bequest beneficiary within a period of 50 years after the death of the author, unless the author had expressly stated otherwise. In the absence of an heir in title or other bequest beneficiary, the said right shall be exercised by the owner of the original of the works. Article 18 In the case of a work of an unknown author, the term of protection in relation to the rights provided for in Item 5-17, Paragraph 1, Article 10 of the Copyright Law, shall be 50 years ending on December 31 of the fiftieth year after the first publication of the work. Article 21 of the Copyright Law shall be applicable after the author of the works has been identified. Article 19 Any person who exploits a work created by another person shall indicate the name of the author and title of the work, except otherwise agreed between interested parties or otherwise impossible to do so due to the special characteristic of the way the work is exploited. Article 20 A published work as mentioned in the Copyright Law refers to a work which has been made available to the public by the copyright owner himself or by authorization. 3