Part I
GENERAL PROVISIONS
Chapter I
BASIC RULES
The rights of a person deprived of liberty
Article 7
(1) A person deprived of liberty by the competent government authority has to be immediately informed, in his native language or a language he understands, about the reasons for deprivation of liberty, as well as concerning everything that is held against him, as well as of the following rights:
4) to have the defense counsel present at his interrogation;
Rights during investigation - questioned in presence of counsel
EDIT.