PART 2
SPECIFIC RULES
TITLE 1
PROTECTION OF FUNDAMENTAL RIGHTS AND FREEDOMS OF THE INDIVIDUAL
139. Protection of right to personal liberty.
(2) (a) No law providing for preventive detention shall authorise the detention of a person for a longer period than three months unless a tribunal established for the purposes of this paragraph has reported before the expiration of the said period of three months that there is, in its opinion, sufficient cause for such detention.
Fair trial standards
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
EDIT.