1. Committees (juntas) constituted by law in localities maintaining a school. 2. Technical inspectors of primary, secondary, and normal instruction for the Federal District and the States of the Union. 3. A superintendent for the Federal District. 4. Inspectors necessary for the operation of higher and special instruction. 5. Commissioners appointed for special educational cases. The duties and responsibilities imposed by law upon the juntas of primary instruction are detailed at greatest length, as upon them rests the proper execution of the law and the success of the entire system. Most important of all these duties are those pertaining to the enforcement of compulsory primary instruction. The juntas are required to keep themselves informed of the primary instruction imparted to all children of school age in their district, whether in schools public or private or at home; to require all parents and guardians of children of school age to have such children instructed as required by law; to keep themselves informed of the progress of all such children; to impose fines as required by law upon all parents or guardians who neglect the instruction of children; to see that the children admitted to schools of all grades conform in age, state of health, etc., to the requirements of the law; to visit the schools in their district frequently and regularly; and to keep registers of all facts pertaining to the attendance upon such schools. The duties and responsibilities of the inspectoral juntas of secondary instruction and those of normal instruction are full and exacting and along the lines already laid down. The technical inspectors as a group have charge of all three grades of instruction, each in the district assigned to him. As fixed by ministerial decree, there are 10 of these, excluding the superintendent for the Federal District. These functionaries are the direct agents of the ministry of public instruction, and form the connecting link between that office and the local juntas. They are vested with complete power to compel the execution of the law by the local juntas under penalties prescribed by law. They are instructed to work in complete harmony with the juntas, to call meetings, and to outline to them their duties under the law. They are also required to instruct teachers in their duties. In short, the inspectors are the element upon which the successful working of the machinery of the regulations depends. The superintendent of public instruction in the Federal District is directly under the authority of the minister of education. The inspectors of higher and special instruction have duties and responsibilities analogous to those of the inspectors already mentioned, though these, for obvious reasons, are not outlined at such length.