f. If the work was extracted or taken out of another existing one, the author of the previous work shall be considered as co-author of the new one. Article (25): Without prejudices to the right of the author of the literal or music portion to publish his work in a way different from publishing the audio-visual work – unless otherwise agreed upon in writing – the co-authors rights in the audio-visual work shall be as follows: a- Where the author of a literary work or musical work has licensed the creation of a derivative screenplay or audiovisual work, that authorization shall be deemed to include the authorization to publicly perform the derivative work, unless the license specifically provides otherwise. b- Where one of the participants in making an audio-visual work abstained to finish his part, the other co-authors may use the part which he made, without prejudice to any rights derived from his participation in the creation. c- The producer of the audio-visual work shall represent the authors of this work and be entitled to exercise all of the economic rights, except for the composers of musical works, in the use of their rights of this work, unless agreed otherwise in writing. Chapter VII Term of Protection of the Economic Rights and Neighboring Rights First: Term of protection of the Economic rights Article (26): The term of protection for the economic copyrights, stipulated under this law, shall be the life of the author and seventy years starting from the beginning of the Gregorian calendar year following the year of his death. Article (27): The economic rights of authors of joint works shall be protected for their life and seventy years starting from the beginning of the Gregorian calendar year following the year of the death of the last surviving author. Article (28): The economic rights of the audio-visual works and collective works shall be protected for ninety-five years starting from the first day of the Gregorian calendar year following the year during which these works were legally published the first time, and if such works were not published during twenty-five years starting from the date they were completed, the economic rights of these works shall be protected for one hundred twenty years starting from the first day of the Gregorian calendar year following their creation. Article (29): The economic rights of the works published anonymously or under a pseudonym, shall be protected for ninety-five years starting from the first day of the Gregorian calendar year following the year during which these works were legally published for the first time. If such works were not published