Bahamas
Constitution as adopted on 10 July 1973. 

Article 2 
Islam shall be the religion of the State; Islamic Sharia (Islamic Law) a main source of legislation; and Arabic the official language. 

Article 18 
All people shall be equal in human dignity, and citizens shall be equal in public rights and duties in the eye of the law, without discrimination because of race, origin, language, religion or belief.. 

Article 3 
The State language of the Republic is Bangla. 

Article 13 
2. Any person who is arrested or detained shall be informed as soon as reasonably practicable, in a language that he understands, of the reasons for his arrest or detention and shall be permitted, at his own expense, to retain and instruct without delay a legal adviser of his own choice, being a person entitled to practice in Barbados as a barrister or solicitor, and to hold private communication with him; and in the case of a person who has not attained the age of sixteen years he shall also be afforded a reasonable opportunity for communication with his parent or guardian. 
6. Where a person is detained by virtue of such a law as is referred to in subsection (5), the following provisions shall apply - 
(a) he shall, as soon as reasonably practicable and in any case not more than five days after the commencement of his detention, be furnished with a statement in writing, in a language that he understands, of the grounds upon which he is detained; 

Article 18 
2. Every person who is charged with a criminal offence... 
(b) shall be informed as soon as reasonably practicable, in a language that he understands and in detail, of the nature of the offence charged;... 
(f) shall be permitted to have without payment the assistance of an interpreter if he cannot understand the language used at the trial of the charge; 

Article 22 
4. Where a person's freedom of movement is restricted by virtue of such a provision as is referred to in subsection (3)(a), the following provisions shall apply - 
(a) he shall, as soon as reasonably practicable and in any case not more than five days after the Commencement of the restriction, be furnished with a statement in writing, in a language that he understands, of the grounds upon which the restriction has been imposed; 

Article 17
1. The official language of the Republic of Belarus shall be Belarusian. 
2. The Republic of Belarus shall safeguard the right to use the Russian language freely as a language of inter-ethnic communication. 

Article 50 
3. Everyone shall have the right to use his native language and to choose the language of communication. In accordance with law, the state shall guarantee the freedom to choose the language of education and teaching. 

Article 2 
Belgium is made up of three Communities: the French Community, the Flemish Community, and the German-speaking Community. 

Article 4 
(1) Belgium has four linguistic regions: the French-speaking Region, the Dutch-speaking Region, the bilingual Region of Brussels-Capital, and the German-speaking Region. 
(2) Each commune of the Kingdom is part of one of these linguistic regions. 
(3) The limits of the four linguistic regions can only be changed or modified by a law adopted by majority vote in each linguistic group in each House, on the condition that the majority of the members of each group are gathered together and from the moment that the total of affirmative votes given by the two linguistic groups is equal to at least two thirds of the votes expressed. 

Article 43 
(1) For cases determined by the Constitution, the elected members of each House are divided into a French linguistic group and a Dutch linguistic group, in the manner determined by law. 
(2) The senators referred to in Article 67 (1)(2,4,7) make up the French linguistic group of the Senate. The senators referred to in Article 67 (1)(1,3,6), make up the Dutch linguistic group of the Senate. 

Article 54 
(1) With the exception of budgets and laws requiring a special majority, a justified motion, signed by at least three-quarters of the members of one of the linguistic groups and introduced following the introduction of the report and prior to the final vote in a public session, can declare that the provisions of a draft bill or of a motion are of a nature to gravely damage relations between the Communities. 
(3) This procedure can only be applied once by the members of a linguistic group with regard to the same bill or motion. 

Article 129 
(1) The French and Dutch Community Councils rule by decree, in as much as each is concerned, excluding the federal legislator, on the use of language for: 
1) administrative matters; 
2) education in those establishments created, subsidized, and recognized by public authorities; 
3) social relations between employers and their personnel, in addition to corporate acts and documents required by law and by regulations. 
(2) These decrees have force of law in French-language and in Dutch-language regions respectively except as concerns: 
- those communes or groups of communes contiguous to another linguistic Region and in which the law prescribes or allows use of another language than that of the Region in which they are located. For these communes, a modification of the rules governing the use of languages as described in (1) may take place only through a law adopted by majority vote as described in Article 4, last paragraph; 
- services the activities of which extend beyond the linguistic Region within which they are established; 
- federal and international institutions designated by law, the activities of which are common to more than one Community. 

Article 136 
(1) There are linguistic groups within the Brussels-Capital Regional Council, and among the governing bodies, qualified with respect to Community issues; their composition, functioning, and responsibilities and, without prejudice to Article 175, their financing, are regulated by a law adopted by majority vote as described in Article 4, last paragraph. 

Article 138 
(1) The French Community Council, on one hand, and the Walloon Regional Council and the French linguistic group of the Brussels-Capital Regional Council, on the other hand, may decide of common accord and each by decree, that the Walloon Regional Council and Government in the French-language Region, and the Brussels-Capital Regional Council and its governing bodies in the bilingual Region of Brussels-Capital may exercise, in full or in part, the responsibilities of the French Community. 
(2) These decrees are adopted by a two-thirds majority vote within the French Community Council, and by absolute majority within the Walloon Regional Council and by the French linguistic group within the Brussels-Capital Regional Council, provided that a majority of the Council members or of the members of the linguistic group concerned are present. They may settle the financing of the responsibilities which they designate, in addition to transfers of personnel, of assets, of rights and of obligations which may concern them. 

Article 139 
(1) Upon request by their respective Governments, the German-speaking Community Council and the Walloon Regional Council may, by decree, decide of common accord that Walloon Regional responsibilities may be exercised in whole or in part by the German-speaking Community Council and Government in the German-language Region. 

Article 5 
2. Any person who is arrested or detained shall be entitled 
(a) to be informed promptly, and in any case no later than forty-eight hours after such arrest or detention, in a language he understands, of the reasons for his arrest or detention; 

Article 6 
3. Every person who is charged with a criminal offence... 
(f) shall be permitted to have without payment the assistance of an interpreter if he cannot understand the language used at the trial. 

Article 19 
1. When a person is detained by virtue of a law that authorises the taking during a period of public emergency of measures that are reasonably justifiable for the purpose of dealing with the situation that exists in Belize during that period, the following provisions shall apply, that is to say: 
(a) he shall, with reasonable promptitude and in any case not more than seven days after the commencement of his detention, be informed in a language that he understands of the grounds upon which he is detained and furnished with a written statement in English specifying the particulars of those grounds;

Article 11
Toutes les communautés composant la Nation béninoise jouissent de la liberté d'utiliser leurs langues parlées et écrites et de développer leur propre culture tout en respectant celles des autres. L'Etat doit promouvoir le développement de langues nationales d'intercommunication.

Article 40
L'Etat a le devoir d'assurer la diffusion et l'enseignement de la Constitution, de la Déclaration Universelle des Droits de l'Homme de 1948, de la Charte Africaine des Droits de l'Homme et des Peuples de 1981 ainsi que de tous les instruments internationaux dûment ratifiés et relatifs aux Droits de l'Homme. L'Etat doit intégrer les droits de la personne humaine dans les programmes d'alphabétisation et d'enseignement aux différents cycles scolaires et universitaires et dans tous les programmes de formation des Forces Armées, des Forces de Sécurité Publique et Assimilés. L'Etat doit également assurer dans les langues nationales par tous les moyens de communication de masse, en particulier par la radiodiffusion et la télévision, la diffusion et l'enseignement de ces mêmes droits.

　

Article 6 
Todo ser humano tiene personalidad y capacidad juridica, con arreglo a les leyes. Goza de los derechos, libertades y garantias reconocidas por esta Constitucion, sin distincion de raza, sexo, idioma, religion, opinion politica o de otra indole, origen, condicion economica o social, u otra cualquiera. 

Article 116 
...La gratuidad, publicidad, celeridad y probidad son condiciones esenciales de la administracion de justicia. El Poder Judicial es responsable de proveer defensa legal gratuita a los indigentes, asi como traductor cuando su lengua materna no sea el castellano. 

Article 171 
Se garantizan respetan y protegen en el marco de la Ley los derechos sociales, economicos y culturales de los pueblos indigenas que habitan en el territorio nacional y especialmente los relativos a su identidad, valores, lenguas, costumbres e instituciones. 

Article I 
(7) There shall be a citizenship of Bosnia and Herzegovina, to be regulated by the Parliamentary Assembly, and a citizenship of each Entity, to be regulated by each Entity, provided that: 
(b) No person shall be deprived of Bosnia and Herzegovina or Entity citizenship arbitrarily or so as to leave him or her stateless. No person shall be deprived of Bosnia and Herzegovina or Entity citizenship on any ground such as sex, race, color, language, religion, political or other opinion, national or social origin, association with a national minority, property, birth or other status. 

Article II 
(4) The enjoyment of the rights and freedoms provided for in this Article or in the international agreements listed in Annex I to this Constitution shall be secured to all persons in Bosnia and Herzegovina without discrimination on any ground such as sex, race, color, language, religion, political or other opinion, national or social origin, association with a national minority, property, birth or other status.

Botswana
Constitution as adopted on 30 September 1966.

Article 13 
Portuguese is the official language of the Federative Republic of Brazil. 

Article 210 
2. Regular elementary education shall be given in the Portuguese language and Indian communities shall also be ensured the use of their native tongues and their own learning methods. 

Article 231 
Indians shall have their social organization, customs, languages. creeds and traditions recognized, as well as their original rights to the lands they traditionally occupy, it being incumbent upon the Union to demarcate them, protect and ensure respect for all of their property. 

Article 82 
1. The official language of the state shall be the Malay language and shall be in such script as may by written law be provided. 

2. Notwithstanding subsection 1, for a period of five years after the coming into operation of this section, and thereafter until otherwise by written law provided, the English language may be used for all official purposes. 

3. The official language of the proceedings of the Privy Council, of the Council of Ministers and of the Legislative Council shall be Malay, provided that: 
(a) with the leave of the person presiding, any Member may speak English; and 
(b) whenever it shall be necessary for the better convenience of any Member of any Council as aforesaid who is not conversant with the Malay language to do so, such Member may, with the leave of the person presiding, employ an interpreter during the proceedings of such Council; and every interpreter so employed shall, before entering upon his duties for the first time, make and subscribe before the person presiding an oath or declaration in the form set out as Form VII in the Schedule. 

4. An official version in the English language shall be provided of anything which, by this Constitution, or by any written law, or by the Standing Orders, is required to be printed or in writing, and such version shall, in addition to the official Malay version, be accepted as an authentic text. 

5. Notwithstanding subsection 1, for a period of five years after the coming into operation of this section, and thereafter until otherwise by written law provided, the authoritative text of 

(a) all bills to be introduced, or amendments thereto to be moved, in the Legislative Council; and 
(b) all written laws and instruments, shall be printed in both the Malay and English languages; but in case of any doubt or conflict between the Malay and the English texts: 
(i) subject to paragraph (ii), if such conflict or doubt arises in any bill, written law or instrument, other than this Constitution, the Succession and Regency Proclamation or the Nationality Legislation (S.121/61), the English language shall prevail; and (ii) if such conflict or doubt arises in this Constitution, the Succession and Regency Proclamation or the Nationality Legislation but not any order made thereunder, the Malay text shall prevail. 

Article 3 
Bulgarian is the official language of the Republic. 

Article 36 
1. Every citizen has the right and the obligation to study and use the Bulgarian language. 
2. Citizens, for whom the Bulgarian language is not the mother tongue, will have the right to study and use their own language alongside the duty to study the Bulgarian language. 
3. Cases where only the official language is to be used will be determined by law. 

Article 3 
The official language is French. 
Measures aimed at the promotion and official recognition of indigenous languages will be determined by law.

Article 8 
The national language is Kirundi. The official languages are Kirundi and other languages determined by law.