PART II
FUNDAMENTAL RIGHTS, DUTIES, LIBERTIES AND GUARANTEES
TITLE II
PERSONAL RIGHTS, FREEDOMS AND GUARANTEES
Section 34 (Guarantees in criminal proceedings)
2. An accused person has the right to select, and be assisted by, a lawyer at all stages of the proceedings and the law shall determine the circumstances for which the presence of the lawyer is mandatory.
Rights during trial - legal assistance
Rights during investigation - legal assistance
Rights during investigation - questioned in presence of counsel
EDIT.