FIRST BOOK - General Provisions
PART SIX - Defense
CHAPTER ONE - Selection, appointment, duties, and powers of the defense counsel
Selection of the defense counsel by a suspect or accused
Article 149 – (1) The right of the lawyer to consult with the suspect or the accused, to be present during the interview or interrogation, and to provide legal assistance shall not be prevented, restricted at any stage of the investigation and prosecution phase.
Rights during trial - legal assistance
Rights during investigation - legal assistance
Rights during investigation - questioned in presence of counsel
EDIT.