CRIMINAL PROCEDURE CODE 2009
Part one – GENERAL PROVISIONS
Chapter I - PRELIMINARY PROVISIONS
Article 4
(3) The State Attorney's office, the investigator and the police authority shall explicate the suspicion of a criminal offence, for which the public prosecution is undertaken, independently and without bias. These authorities shall be bound to collect data on the guilt and innocence of the defendant with equal solicitude.
Fair trial standards
Rights during trial - informed promptly and in detail of charges
EDIT.