Portugal - 2003 Party Law

Title Article 12 Names, initials and symbols
Chapter Chapter I Fundamental principles
Article

12

1 - Each political party shall possess a name, initials and a symbol, which shall not be identical or similar to those of any other party that has already been formed.
2 - The name shall not be based on the name of a person, or contain expressions that are directly related to any religion or any national institution.
3 - It shall not be possible for the symbol to be confused with, and it shall not be graphically or phonetically related to, national symbols or emblems or religious images or symbols.
4 - Coalition symbols and initials shall rigorously reproduce the set of symbols and initials of the political parties that belong to the coalition.

Categories - Extra-parliamentary party (Registration reqs.)
Source Di?rio da Rep?blica, 1.? s?rie ? N.? 93 ? 14 de Maio de 2008. Available at: http://www.dre.pt/pdf1sdip/2008/05/09300/0263302637.PDF