10 The Constitution of the Democratic Socialist Republic of Sri Lanka CHAPTER IV LANGUAGE 18. 4[(1)]The Official Language of Sri Lanka shall be Sinhala. Official Language 5 [(2) Tamil shall also be an official language. (3) English shall be the link language. (4) by of the provisions of this Chapter.] for implementation National Languages 19. The National Languages of Sri Lanka shall be Sinhala and Tamil. Use of National Languages in Parliament, Provincial Council and Local Authorities 20. A Member of Parliament or 6[a member of a Provincial Council or a Local Authority] shall be entitled to perform his duties and discharge his functions in Parliament 7 [or in such Provincial Council or Local Authority] in either of the National Languages. Medium of instruction 21. (1) A person shall be entitled to be educated through the medium of either of the National Languages: Provided that the provisions of this paragraph shall not apply to an institution of higher education where the medium of instruction is a language other than a National Language. (2) Where one National Language is a medium of instruction for or in any course, department or faculty of any University directly or indirectly financed by the State, the other National Language shall also be made a medium of instruction for or in such course, department or faculty for students who prior to their admission to such University, were educated through the medium of such other National Language: Provided that compliance with the preceding provisions of this paragraph shall not be obligatory if such other National Language is the medium of instruction for or in any like course, department or faculty either at any other campus or branch of such University or of any other like University. 4 - Renumbered as paragraph (1)by the Thirteenth Amendment to the Constitution Sec. 2(a). 5 - Inserted by the Thirteenth Amendment to the Constitution Sec. 2(b). 6 - Substituted by the Sixteenth Amendment to the Constitution Sec. 2(1) for “or a Member of a Local Authority”. 7 - Substituted by the Sixteenth Amendment to the Constitution Sec. 2(2) for “or in such Local Authority”.