CHAPTER III
PROTECTION OF FUNDAMENTAL RIGHTS AND FREEDOMS OF THE INDIVIDUAL
Article 20
Provisions to secure protection of law
(2) Every person who is charged with a criminal offence —
(b) shall be informed as soon as reasonably practicable, in a language that he understands and in detail, of the nature of the offence charged;
Language
Rights during trial - informed promptly and in detail of charges
Rights during trial - interpretation and translation
EDIT.