Article 5(2) of the Berne Convention:[0] "The enjoyment and the exercise of these rights shall not be subject to any formality" [0] https://en.wikisource.org/

Article 5(2) of the Berne Convention:[0] "The enjoyment and the exercise of these rights shall not be subject to any formality" [0] https://en.wikisource.org/wiki/Convention_for_the_Protection_of_Literary_and_Artistic_Works/Articles_1_to_21#Article_5 https://en.wikisource.org/wiki/Convention_for_the_Protection...