[Article 5] Federal Constitution 22 (4) Where a person is arrested and not released he shall without unreasonable delay, and in any case within twenty-four hours (excluding the time of any necessary journey) be produced before a magistrate and shall not be further detained in custody without the magistrate’s authority: Provided that this Clause shall not apply to the arrest or detention of any person under the existing law relating to restricted residence, and all the provisions of this Clause shall be deemed to have been an integral part of this Article as from Merdeka Day: Provided further that in its application to a person, other than a citizen, who is arrested or detained under the law relating to immigration, this Clause shall be read as if there were substituted for the words “without unreasonable delay, and in any case within twenty-four hours (excluding the time of any necessary journey)” the words “within fourteen days”: And provided further that in the case of an arrest for an offence which is triable by a Syariah court, references in this Clause to a magistrate shall be construed as including references to a judge of a Syariah court. (5) Clauses (3) and (4) do not apply to an enemy alien. Slavery and forced labour prohibited 6. (1) No person shall be held in slavery. (2) All forms of forced labour are prohibited, but Parliament may by law provide for compulsory service for national purposes. (3) Work or service required from any person as a consequence of a conviction or a finding of guilt in a court of law shall not be taken to be forced labour within the meaning of this Article, provided that such work or service is carried out under the supervision and control of a public authority. (4) Where by any written law the whole or any part of the functions of any public authority is to be carried on by another public authority, for the purpose of enabling those functions to be performed the employees of the first-mentioned public authority shall be bound to serve the second-mentioned public authority,