Article 811 — Unauthorized Change or Assumption of Another Name.

(1) Whoever with the intention of concealing his identity or of evading control by a competent authority unlawfully assumes a fictitious surname, changes his true name, adds another name thereto or assumes the name of another, is punishable with fine or arrest. (2) The lawful use of a professional, literary or other pseudonym or of a recognized nick-name does not fall under this Article.