ARTICLE 133. All public and private educational institutions in the country shall be subject to State supervision and amenable to the duty of carrying out the educational policies formulated by the State. ARTICLE 134. Children between six and twelve years of age are of school age and shall receive elementary education free of tuition. Detailed provisions shall be provided by law. ARTICLE 135. All persons over school age who have not received an elementary education shall receive supplementary education free of tuition. Detailed provisions shall be provided by law. ARTICLE 136. In establishing universities and technical schools, the State shall give special consideration to the needs of the respective localities so as to afford the people thereof an equal opportunity to receive higher education, thereby hastening a balanced national cultural development. ARTICLE 137. Educational appropriations shall constitute no less than fifteen per cent of the total amount of the budget of the Central Government and no less than thirty per cent of the total amount of the provincial, district and municipal budgets respectively. Educational endowment funds independently set aside in accordance with law shall be safeguarded. Educational expenditures in needy provinces shall be subsidized by the central treasury. ARTICLE 138. The State shall encourage and subsidize the following enterprises or citizens: 1. Private educational institutions with a high record of achievement. 2. Education for Chinese citizens residing abroad. 3. Discoverers or inventors in academic or technical fields. 4. Teachers or administrative officers of educational institutions having good records and long service. 5. Students of high records and good character who are unable to pursue further studies. CHAPTER VIII. THE ENFORCEMENT AND AMENDMENT OF THE CONSTITUTION ARTICLE 139. The term "law" as used in the Constitution means that which has been passed by the Legislative Yuan and promulgated by the President. ARTICLE 140. Laws in conflict with the Constitution are null and void. The question whether a law is in conflict with the Constitution shall be settled by the Censor Yuan submitting the point to the Judicial Yuan for interpretation within six months after its enforcement. ARTICLE 141. Administrative orders in conflict with the Constitution or laws are null and void. ARTICLE 142. The interpretation of the Constitution shall be done by the Judicial Yuan. ARTICLE 143. Before half or more of the provinces and territories have completed the work of local self-government, the Members of the Legislative Yuan and of the Censor Yuan shall be elected and appointed in accordance with the following provisions: