e24702_SN004 Translated from French 18 Article 48. Rate. – The droit de suite shall be five per cent of the sale price. Article 49. Exclusion of architectural works and works of applied art. – The droit de suite shall not apply to architectural works or works of applied art. Article 50. Procedure for exercise of droit de suite. – The procedure for the exercise of the droit de suite shall be determined by decree. Title V. – Duration Article 51. Basic duration of economic rights. – The author's economic rights shall last for his or her lifetime and for 70 years after his death. Article 52. Works of joint authorship. – The economic rights in a work of joint authorship shall last for the lifetime of the last surviving author and for 70 years after his death. Article 53. Anonymous or pseudonymous works. – 1. The economic rights in a work published anonymously or under a pseudonym shall last for 70 years from publication or, if publication has not occurred within 70 years of creation of the work, for 70 years after such creation. 2. Where the author or authors of an anonymous or pseudonymous work reveal their identity, the duration of the exclusive right shall be that provided for in Articles 51 and 52. Article 54. Posthumous works. – The economic rights in a posthumous work shall last for 70 years from the disclosure of the work. Article 55. Calculation of period. – The periods provided for in Articles 51 to 54 shall expire at the end of the calendar year during which they would normally expire. Article 56. Duration of moral rights. – As stated in Article 27, paragraph 4, moral rights shall be perpetual. Title VI. –Transfer mortis causa Article 57. Implementation of ordinary law of inheritance. – Moral rights and economic rights may be transferred to the author's heirs and legatees in accordance with the ordinary law of inheritance. Article 58. Succession in the absence of heirs. – Where the author or his or her successor in title has no heirs, the economic rights shall belong to the State and shall be managed by an approved collective management society. Royalties from the exploitation thereof shall be used for cultural and social purposes, without prejudice to the rights of creditors and the execution of contracts for exploitation that may have been concluded by the author or his successors in title.