Malta - 1987 Constitution

Title Article 56
Chapter VI - Parliament (1. Composition of Parliament)
Article

56

(11) Ballot papers shall be drawn in such a way as to enable illiterates to distinguish between the political parties to which candidates belong.

Amendment Constitution: Article 57 (1974)
Categories - Electoral party (Electoral rules/formula)
Source House of Commons: Parliamentary Papers on line and The Malta Government Gazette