2. To grant exceptions to the provisions of Sec.Sec. 135 (2) and (3), 136, 137 (1) to (3), in the case of factories requiring uninterrupted use of fire, or in which for other reasons, the nature of the business necessitates regular day and night work, also in the case of factories, a part of the business of which does not admit of regular shifts of equal duration, or is from its nature restricted to certain seasons; 3. To prevent the shortening or the omission of the intervals prescribed for young workers, in certain branches of manufacture, where the nature of the business, or consideration for the workers may seem to render it desirable; 4. To grant exceptions to the provisions of Sec. 134 (1) and (2), in certain branches of manufacture in which pressure of business occurs regularly at certain times of the year, on condition that the daily working time does not exceed 13 hours, and on Saturday 10 hours. In the cases under No. 2, the duration of weekly working time shall not exceed 36 hours for children, 60 hours for young persons, 65 hours for women workers, and 70 hours for young persons and women in brick and tile kilns. Night work shall not exceed in duration 10 hours in 24, and in every shift one or more intervals, of an aggregate duration of at least one hour, shall be granted. In the cases under No. 4, permission for overtime work for more than 40 days in the year may only be granted, on condition that the working time is so regulated that the average daily duration of working days does not exceed the regular legal working time. The provisions laid down by decision of the Bundesrath (Federal Council) shall be limited as to time, and shall also be issued for certain specified districts. They shall be published in the _Imperial Law Gazette_, and shall be laid before the Reichstag at its next session. V. SUPERVISION. Sec. 139_b_. The supervision and enforcement of the provisions of Sec.Sec. 105_b_ (1), 105_c_ to 105_h_, 120_a_ to 120_e_, 134 to 139_a_, shall be entrusted exclusively to the ordinary police magistrates, or, together with them, to officials specially appointed thereto by the provincial governments. In the exercise of such supervision the local police magistrates shall be empowered with all official authority, especially with the right of inspection of establishments at any time. They shall be bound to observe secrecy (except in exposing illegalities) as to their official knowledge of the business affairs of the establishments submitted to their inspection. The settlement of relations of competence between these officials and the ordinary police magistrates, shall be subject to the constitutional regulation of the separate States of the Bund. The officials mentioned shall publish annual reports of their official acts. These annual reports or extracts from the same, shall be laid before the Bundesrath and the Reichstag.