Article 1. The Treasury shall subsidies the four-tenths of the expenses necessary to be defrayed by each prefecture for salaries, additional pay, grant for death, travelling expenses, family allowance, area allowance, retirement allowance and day-and-night-duty-allowance of principals of the public upper secondary schools offering only the course teaching at special period and time (to be called the part-time course), and of teachers, assistant teachers and lecturers in charge of the teaching chiefly of the part-time course in public upper secondary schools according to the budget.