Title II
Rights
CHAPTER EIGHT
Rights to protection
Article 77. In any criminal proceedings where a person has been arrested and detained, the following basic guarantees shall be observed :
7. The right of all persons to defense includes :
a) To be informed, previously and in detail, in their own language and in simple words, about the claims and proceedings being filed against them and about the identity of the authority responsible for the claim or proceedings being filed.
Language
Rights during investigation - access to interpreter and translation if questioned in other language
Rights during investigation - informed of belief that crime has been committed
EDIT.