Copyright Act Article 64

A person who exploits the work of another person pursuant to the provisions of Articles 44 through 47, Articles 48-1 through 50, Article 52, Article 53, Article 55, Article 57, Article 58, and Articles 60 through 63 shall provide a clear indication of the source of the work.The "clear indication of the source" referred to in the preceding paragraph shall indicate the name or appellation of the author in a reasonable manner, except where the work is anonymous or the author is not known.